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May 5, 2002



Updated May 7,2002 to correct a couple of directional errors and add reference to new information as a result of the NWS and TTU damage surveys.

The SPC had issued a Tornado Watch for most of the area.  Spotters were requested to position themselves along the Texas-New Mexico state line in anticipation of storm development along the dryline.  In addition, another area of concern was just north of a warm front moving north through the South Plains.  Conditions were favorable for supercell development with slightly elevated storms in the areas along the dryline south of the warm front and with lower based storms and increased tornadic potential just north of the warm front.
Initially after picking up a trainee (Brent Cranfill, KD5HLA) and making a couple of minor indecicions, I headed west on TX 114 through Levelland to Morton.  As more development seemed to be occurring to the north near the warm front we worked north along TX 214 to the Muleshoe National Wildlife Refuge area.  Here we stopped for a while to assess the situation.  We noticed an odd star or maple leaf shaped cloud (Image#1) to the north.
As the activity in northern Bailey county and in Parmer county became of more concern we continued north to Muleshoe and then east on US 70.  Warnings had been issued for a large storm moving into Castro county from Parmer county.  We were asked to try and get a visual observation of the base of the storm (Echo 1 as denoted by the South Plains Storm Spotting Team member at the NWS office) as they were seeing low level rotation at significant levels in the storm.  As we were still too far south to see the base we could not help at that point.  Shortly after, the NWS issued a doppler indicated Tornado Warning for Castro county.
We continued east on US 70 to Earth and then north on FM 1055 to TX 86.  We were now closer to the base which was still north-northeast of us but which was at a very bad viewing angle and we could not see much but precipitation.  We moved east through Dimmit on TX 86 to Nazareth and then north on FM 168.  Moving north about 8 or 9 miles put us in a good viewing position to monitor the intake area (Image#2) which was a few miles to our northwest.
After observing this wall cloud show persistent but slow rotation and some vertical motion for several minutes, the mesocyclone was encircled by RFD and dissipated.  A new wall cloud formed (Image#3) just east of FM 168 to our north, north of FM 1075.
 
#1 #2 #3

As we moved east on FM 1075 another wall cloud (Image#4) formed further east and persisted (Image#5)  for more than ten minutes as it moved east along the northern Castro county line toward Swisher county and the town of Happy.
As the rotation increased in the wall cloud it also began to lift and swirl dirt beneath it.  This started just about 6:29 PM a few miles west or wes- southwest of Happy. We called in a developing tornado (Image#6) to the Lubbock NWS office at about 6:30.  This shot is looking north from the intersection of FM 1075 and FM 1424 southwest of Happy.
 
#4 #5 #6

The debris cloud expanded (Image#7) and connected to the rotation (Image#8) above.  This large tornado became hard to see as it moved toward Happy.  Due to uncertainty of exactly how far north of our position it was we decided to move east along a county road to Interstate 27.  We weren't able to observe the tornado for some time though chasers closer to the town were able to see a condensation funnel extending at least part way down to the debris cloud.  It continued to stay dust and rain wrapped as it moved into town and close to I 27 south of the FM 1075 exit.
It turns out that the first event dissipated and a new tornado formed just west of Happy and moved into the town doing the damage and causing the fatalities.
We crossed the interstate and moved north to FM 1881, then slightly east on FM 1881.  To the northwest over Happy was a large precip core, grayish white with poor contrast.  Gradually we made out the shape of the funnel then the whole second tornado (Image#9) which looked much different from what we'd last seen to the west of Happy. This shot (#9) shows this tornado as it is appearing, probably just having crossed the interstate.  This was at about 6:45 PM.
 
#7 #8 #9

We began moving east on FM 1881 south of the tornado.  At this point we were likely less than a mile away from it, too close for safe spotting but due to the nature of the paved roads in the area, this was the only good choice.  We would have been able to go south on any of a number of hard packed, dry dirt county roads to escape if necessary. This somewhat blurred shot (Image#10) was taken as we moved east.
In the next image, you can make out something which might be the tornado (Image#11), but it isn't clear.  At this stage it was either dissipating or was moving to the northeast and again become wrapped in rain.  I personally thought at the time it was dissipating  but a farm house was damaged east of Happy on the south side of FM 1075 and the damage survey tracked the path to around 5 miles east of Happy.
A minute later nothing but outflow (Image #12) can be made out, so tornado must have moved toos far into the precip. This was at about 6:51.
 
#10 #11 #12

Moving east along with the storm we saw several areas of possible mesocyclonic development as in this area on the south flank (Image#13) of the storm.  It demonstrated some rotation and weak vertical motion but neither was persistent.  East on FM 1881, north on a county road then east  on FM 1075 to FM 2301, north on FM 2301, then east on FM 285, finally north on TX 207 to the edge of Caprock.    It was menacing looking with numerous finger "scud" funnels appearing. Several areas of blowing dirt came and went under the main base of the storm, most were clearly outflow or RFD motion, but some as in the case of Image#14 were more interesting looking and possibly were rotating as they moved south or southwest.  As lighting quality decrease it was hard to get good pictures of any interesting areas.  The storm seemed to be loosing some of its organization as it approached the Caprock in south central Armstrong county east of Wayside.  Due to low fuel, and lack of any east-west roads for many miles we turned back and after moving through some heavy rain went back to Happy.
 
#13 #14

After speaking to local law enforcement we decided not to add to the crowds in Happy and went south on I 27, which had been cleared of most of the debris and past some of the worst of the damage just west of I 27.
It's tragic that at least 2 people at last report had been killed in Happy, these tornadoes formed very close to the town, with the second apparently right on the edge of town, but I've heard that the sirens sounded immediately and the NWS was issuing a Tornado Warning for Swisher county as I called in the forming tornado.  Approximately 12 minutes of warning time were given by the NWS.
 

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