Alert archive / Texas / Severe Thunderstorm Warnings in 2001
Severe Thunderstorm Warning 152, NWS Amarillo, TX
NWS Amarillo, TX issued this severe thunderstorm warning at Aug 17, 2001, 7:24 PM CDT for Lipscomb County, Texas. It was in force for 36 min. 4 reports 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
- Aug 17, 2001, 7:24 PM CDT (00:24 UTC)
- Expired
- Aug 17, 2001, 8:00 PM CDT
- In force
- 36 min
- Issued by
- NWS Amarillo, TX
- Area
- Whole counties; the outline is the Mesonet’s reconstruction
County Lipscomb County, TX
The radar
The Amarillo radar (KAMA), 170 km from the middle of the area, began a volume at 00:27 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 |
|---|---|---|---|
| Aug 17, 7:35 PM CDT | Hail 0.75 | Lipscomb, TX | |
| Aug 17, 7:35 PM CDT | Thunderstorm Wind 56 E | Lipscomb, TX | High winds blew a trampoline against a house. |
| Aug 17, 7:43 PM CDT | Thunderstorm Wind 56 E | Lipscomb, TX | High winds blew down several trees. |
| Aug 17, 7:47 PM CDT | Thunderstorm Wind 56 E | Lipscomb, TX | High winds blew down a tree on State Highway 305. |
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, 0.4 hours before the alert went out and 169 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
- 1050 J/kg
- Mixed-layer CIN
- -5 J/kg
- Mixed-layer LCL
- 2148 m above ground
- 0-6 km bulk shear
- 15 kt
- 0-1 km storm-relative helicity
- -16 m²/s²
- 0-3 km storm-relative helicity
- 45 m²/s²
- Significant tornado parameter
- 0.0
- Supercell composite
- 0.0
The text
As transmitted, in the capitals the NWS used until 2016.
631 WUUS54 KAMA 180024 SVRAMA TXC295-180100- BULLETIN - EAS ACTIVATION REQUESTED SEVERE THUNDERSTORM WARNING NATIONAL WEATHER SERVICE AMARILLO TX 724 PM CDT FRI AUG 17 2001 THE NATIONAL WEATHER SERVICE HAS ISSUED A * SEVERE THUNDERSTORM WARNING FOR... LIPSCOMB COUNTY IN THE TEXAS PANHANDLE * UNTIL 800 PM CDT * AT 724 PM CDT...NATIONAL WEATHER SERVICE DOPPLER RADAR INDICATED A SEVERE THUNDERSTORM 4 MILES NORTHWEST OF LIPSCOMB...MOVING SOUTHEAST AT 25 MPH. * SOME LOCATIONS AFFECTED BY THE STORM INCLUDE... LIPSCOMB LARGE HAIL...DAMAGING WINDS...AND TORRENTIAL RAINS ARE EXPECTED WITH THIS STORM. TAKE COVER IN A SUBSTANTIAL SHELTER. THIS STORM HAS A HISTORY OF PRODUCING NICKEL SIZE HAIL. LAT...LON 3607 10000 3638 10028 3629 10045 3607 10042
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 Aug 17, 3:26 PM CDT, 3 hours 58 minutes earlier.
Area forecast discussion, Aug 17, 3:26 PM CDT, 3 hours 58 minutes before
TEXAS/OKLAHOMA PANHANDLES FORECAST DISCUSSION NATIONAL WEATHER SERVICE AMARILLO TX 326 PM CDT FRI AUG 17 2001 PROGRESSIVE UPPER PATTERN FCST NEXT SEVERAL DAYS AS INITIAL SHRTWV MVS THROUGH MS VALLEY INTO NE U.S. UPPER RIDGE OVER INTER-MOUNTAIN REGION WILL SLIDE E INTO SRN PLAINS BUT LOSE AMPLITUDE. VERY STRONG STORM SYSTEM WILL DROP S OUT OF GULF OF AK AND AFFECT PAC NW EARLY NEXT WITH AFFECTS BEING FELT IN PLAINS AS EARLY AS MID WEEK. FOR TONIGHT...PLAN ON AREAL COVERAGE TERMS IN SE ZNS WHERE ISOLD CONVECTION OCCURRING ALONG SHEAR AXIS EXTENDING NE INTO CENTRAL OK. SUBSIDENCE ATTM BEHIND THIS WV ACROSS NE BUT A FEW SHOWERS ATTEMPTING TO ORGANIZE THERE. ACTIVITY ACROSS ERN NM LIKELY TO PERSIST LONGEST AND DROP S VCNTY WRN CWA BORDER THIS EVE. WILL GO WITH HIGHER UNCERTAINTY POPS NW WITH CONTINUED 20 POPS CENTRAL/NE. WEAK WINDSHIFT OVERNIGHT COVERED WELL BY PREVIOUS PACKAGE WITH LITTLE OR NO IMPACT ON TEMPS ON SAT. H8 TEMPS ACTUALLY PROGGED TO WARM A COUPLE DEGREES EACH DAY THIS WEEKEND SO WILL CONTINUE WARMING TREND THROUGH SUN DESPITE MOS INSISTENCE THE OTHER WAY. IN EXTENDED... PLAN ON KEEPING POPS IN NW ZNS THROUGHOUT AS PLENTY OF SUBTROPICAL MOISTURE ACROSS OLD MEXICO BLEEDING INTO SW U.S. AS RIDGE AXIS SHIFTS E WITH TIME...MOUNTAIN CONVECTION LIKELY TO BECOME MORE NUMEROUS. WEAK STEERING FLOW WILL ALLOW CHCS FOR ONLY NW ZNS INITIALLY...HOWEVER THIS EXPECTED CHG LATER IN WEEK AS STRONGER SWRLY FLOW MVS E. TEMPS SHOULD CONTINUE TO WARM INTO VERY EARLY NEXT WEEK BEFORE LEVELING OFF OR DROPPING THROUGH MIDWEEK WITH INCREASED CLOUDS/PRECIP POSSIBILITIES. .AMA... TX...NONE. OK...NONE. COBB
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.