Alert archive / Texas / Severe Thunderstorm Warnings in 2001
Severe Thunderstorm Warning 101, NWS Amarillo, TX
NWS Amarillo, TX issued this severe thunderstorm warning at May 29, 2001, 5:12 AM CDT for Dallam County, Hartley County, Texas. It was in force for 63 min. 1 report came from inside the area while it was in force.
The area
The outline the Iowa Environmental Mesonet reconstructed for it; the warning itself named whole counties, with what was reported inside it.
The facts
- Issued
- May 29, 2001, 5:12 AM CDT (10:12 UTC)
- Expired
- May 29, 2001, 6:15 AM CDT
- In force
- 63 min
- Issued by
- NWS Amarillo, TX
- Area
- Whole counties; the outline is the Mesonet’s reconstruction
Counties Dallam County, TX, Hartley County, TX
The radar
The Amarillo radar (KAMA), 135 km from the middle of the area, began a volume at 10:14 UTC, the scan nearest the moment this went out.
Open the radar archive at this moment
The archived warnings, watches and discussions in force at that minute are drawn over the scan, this one among them.
What was reported inside it
| Time | Report | Where | Remark |
|---|---|---|---|
| May 29, 5:35 AM CDT | Hail 1.75 | Ware, TX |
NCEI Storm Data entries that began inside the alert's area while it was in force. Before 2003 the local storm report archive is thin, so this is the record of what happened rather than what was phoned in.
The nearest sounding before it
Amarillo Airport, TX (KAMA), launched 00:00Z, 10.2 hours before the alert went out and 135 km from the middle of its area. This is the routine balloon launch nearest before it, the air the forecaster had in hand, not a measurement taken for the alert.
- Mixed-layer CAPE
- 1376 J/kg
- Mixed-layer CIN
- -207 J/kg
- Mixed-layer LCL
- 719 m above ground
- 0-6 km bulk shear
- 46 kt
- 0-1 km storm-relative helicity
- 56 m²/s²
- 0-3 km storm-relative helicity
- 65 m²/s²
- Significant tornado parameter
- 0.0
- Supercell composite
- 0.0
The text
As transmitted, in the capitals the NWS used until 2016.
653 WUUS54 KAMA 291013 SVRAMA TXC111-205-291115- BULLETIN - EAS ACTIVATION REQUESTED SEVERE THUNDERSTORM WARNING NATIONAL WEATHER SERVICE AMARILLO TX 512 AM CDT TUE MAY 29 2001 THE NATIONAL WEATHER SERVICE HAS ISSUED A * SEVERE THUNDERSTORM WARNING FOR... DALLAM COUNTY IN THE TEXAS PANHANDLE NORTHERN HARTLEY COUNTY IN THE TEXAS PANHANDLE * UNTIL 615 AM CDT * AT 512 AM CDT...NATIONAL WEATHER SERVICE DOPPLER RADAR INDICATED A SEVERE THUNDERSTORM 15 MILES SOUTHWEST OF WARE...OR ABOUT 23 MILES WEST OF DALHART...MOVING NORTHEAST AT 35 MPH. * SOME LOCATIONS AFFECTED BY THE STORM INCLUDE... DALHART...CONLEN AND WARE LARGE HAIL...DAMAGING WINDS...AND TORRENTIAL RAINS ARE EXPECTED WITH THIS STORM. TAKE COVER IN A SUBSTANTIAL SHELTER. LAT...LON 3631 10301 3588 10302 3589 10218 3637 10218
What forecasters said that day
The local office's own words before this severe thunderstorm warning went out, as it sent them, from the Iowa Environmental Mesonet's archive of National Weather Service text.
NWS Amarillo, TX wrote its last area forecast discussion before this severe thunderstorm warning went out at May 29, 3:24 AM CDT, 1 hour 48 minutes earlier.
Area forecast discussion, May 29, 3:24 AM CDT, 1 hour 48 minutes before
TEXAS/OKLAHOMA PANHANDLES FORECAST DISCUSSION NATIONAL WEATHER SERVICE AMARILLO TX 324 AM CDT TUE MAY 29 2001 WIDESPREAD CONVECTION HAS MOVED OVER THE WESTERN AND SOUTHERN TEXAS PANHANDLE SINCE ABOUT 07Z THIS MORNING. NO SEVERE REPORTS SO FAR BUT RECENT TRENDS FROM AMARILLO 88D SUGGEST SCATTERED STRONG STORMS OVER RANDALL COUNTY WITH OTHER NUMEROUS/INTENSE CELLS BETWEEN DALHART AND HEREFORD. STORMS WILL QUICKLY TRACK ACROSS CENTRAL AND EASTERN ZONES THROUGH THE EARLY MORNING HOURS BEFORE EXITING THE EASTERN ZONES BY MID MORNING. APPEARS STRONG WINDS ARE THE PRIMARY CONCERN WITH THESE STORMS. AMARILLO VAD WIND PROFILER SHOWS LOW LEVEL JET OF 25 KTS HAS BACKED WITH GOOD VEERING THROUGH 6KM. MID/UPPER LEVEL LOW MOVING OVER CENTRAL NM EXPECTED TO DRAMATICALLY WEAKEN CAPPING INVERSION THAT WAS SO PREVALENT YESTERDAY. DRYLINE CURRENTLY ALONG THE ROCKY MOUNTAIN FOOT HILLS OF NM EXPECTED TO MIX EASTWARD LATER THIS AFTERNOON. EFFECT OF MORNING CONVECTION OVER PANHANDLES ON DRYLINE LOCATION LATER TODAY IS UNCERTAIN AND CONFIDENCE THAT THE DRYLINE WILL REACH THE WESTERN TEXAS PANHANDLE IS CONSIDERABLY LOW. UPPER TROUGH OVER NEW MEXICO AND ASSOCIATED 50KT 5H SPEED MAX SHOULD ALLOW FOR DECENT VERTICAL PROFILES LATER TODAY TO KEEP THE SEVERE THREAT GOING WHEN AIRMASS RECOVERS LATE THIS AFTERNOON IN RELATIVELY UNCAPPED ATMOSPHERE. SATELLITE IMAGERY SUGGESTS A GOOD BIT OF SUNSHINE/WARMING ONCE MORNING CONVECTION ENDS. AS UPPER TROUGH EXITS WEDNESDAY HIGH PLAINS COOL FRONT EXPECTED TO REACH NORTHWEST ZONES LATER TONIGHT WITH SURFACE HIGH PRESSURE SPREADING OVER THE PANAHNADLES ON WEDNESDAY. REASONS TO MAINTAIN POPS INCLUDE LITTLE CAP...STRONG INSOLATION AND MODERATE INSTABILTY. FLOW ALOFT ALSO EXPECTED TO MAKE A SOUTHWEST TO NORTHWEST TRANSITION AS WELL. NO CHANGES PLANNED TO EXTENDED. PRELIM CCF... AMA TB 86/59 79/55 80 342 DHT TB 85/55 77/52 77 462 .AMA... TX...NONE. OK...NONE. SLATTERY
The office that day
Everything else NWS Amarillo, TX issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| May 29, 3:28 AM CDT | Severe Thunderstorm Warning | AMA | Hartley | 47 min |
| May 29, 3:40 AM CDT | Severe Thunderstorm Warning | AMA | Hutchinson | 50 min |
| May 29, 6:15 AM CDT | Severe Thunderstorm Warning | AMA | Sherman | 60 min |
| May 29, 10:53 AM CDT | Severe Thunderstorm Warning | AMA | Dallam | 22 min |
| May 29, 4:43 PM CDT | Severe Thunderstorm Warning | AMA | Potter | 47 min |
| May 29, 5:14 PM CDT | Severe Thunderstorm Warning | AMA | Hutchinson | 46 min |
| May 29, 5:21 PM CDT | Severe Thunderstorm Warning | AMA | Randall | 39 min |
| May 29, 5:29 PM CDT | Severe Thunderstorm Warning | AMA | Potter | 61 min |
| May 29, 5:38 PM CDT | Tornado Warning | AMA | Potter | 52 min |
| May 29, 5:44 PM CDT | Tornado Warning | AMA | Randall | 46 min |
| May 29, 5:58 PM CDT | Severe Thunderstorm Warning | AMA | Hutchinson | 47 min |
| May 29, 6:06 PM CDT | Severe Thunderstorm Warning | AMA | Carson | 54 min |
| May 29, 6:27 PM CDT | Severe Thunderstorm Warning | AMA | Potter | 48 min |
| May 29, 6:45 PM CDT | Tornado Warning | AMA | Carson | 45 min |
| May 29, 6:58 PM CDT | Severe Thunderstorm Warning | AMA | Carson | 62 min |
Nearby
Severe Thunderstorm Warnings in Texas, 2001Every severe thunderstorm warning in 2001
Sources
The product and its follow-ups from the Iowa Environmental Mesonet's archive of National Weather Service and Storm Prediction Center text; verification from NCEI's Storm Data; the sounding from the Mesonet's radiosonde archive; radar from the NEXRAD Level II archive.