Alert archive / Texas / Severe Thunderstorm Warnings in 2001
Severe Thunderstorm Warning 98, NWS Amarillo, TX
NWS Amarillo, TX issued this severe thunderstorm warning at May 27, 2001, 9:41 PM CDT for Wheeler County, Texas. It was in force for 79 min. 3 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
- May 27, 2001, 9:41 PM CDT (02:41 UTC)
- Expired
- May 27, 2001, 11:00 PM CDT
- In force
- 79 min
- Issued by
- NWS Amarillo, TX
- Area
- Whole counties; the outline is the Mesonet’s reconstruction
County Wheeler County, TX
The radar
The Amarillo radar (KAMA), 137 km from the middle of the area, began a volume at 02:43 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 27, 9:50 PM CDT | Hail 1 | Briscoe, TX | |
| May 27, 10:05 PM CDT | Hail 0.88 | Allison, TX | |
| May 27, 10:11 PM CDT | Hail 1 | Wheeler, 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 watch it was issued in
The SPC watch in force over the same counties when this warning went out.
| Issued | Product | Office | Lasted |
|---|---|---|---|
| May 27, 7:00 PM CDT | Severe Thunderstorm Watch | SPC | 4 hr |
The nearest sounding before it
Amarillo Airport, TX (KAMA), launched 00:00Z, 2.7 hours before the alert went out and 136 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
- 2008 J/kg
- Mixed-layer CIN
- -30 J/kg
- Mixed-layer LCL
- 2400 m above ground
- 0-6 km bulk shear
- 50 kt
- 0-1 km storm-relative helicity
- 21 m²/s²
- 0-3 km storm-relative helicity
- 112 m²/s²
- Significant tornado parameter
- 0.0
- Supercell composite
- 5.4
The text
As transmitted, in the capitals the NWS used until 2016.
000 WUUS54 KAMA 280243 SVRAMA TXC483-280400- BULLETIN - EAS ACTIVATION REQUESTED SEVERE THUNDERSTORM WARNING NATIONAL WEATHER SERVICE AMARILLO TX 941 PM CDT SUN MAY 27 2001 THE NATIONAL WEATHER SERVICE HAS ISSUED A * SEVERE THUNDERSTORM WARNING FOR... WHEELER COUNTY IN THE TEXAS PANHANDLE * UNTIL 1100 PM CDT * AT 942 PM CDT...NATIONAL WEATHER SERVICE DOPPLER RADAR INDICATED A SEVERE THUNDERSTORM 8 MILES NORTH OF BRISCOE...OR ABOUT 17 MILES NORTH OF WHEELER...MOVING SOUTH AT 30 MPH. * SOME LOCATIONS AFFECTED BY THE STORM INCLUDE... SHAMROCK...ALLISON...BRISCOE...KELLERVILLE...LELA...NEW MOBEETIE...TWITTY AND WHEELER THIS STORM HAS A HISTORY OF PRODUCING DAMAGING WINDS AND HAIL TO QUARTER SIZE. GO INSIDE A STURDY BUILDING AND STAY AWAY FROM WINDOWS. LAT...LON 3560 10002 3561 10052 3519 10053 3518 10003
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 27, 1:35 PM CDT, 8 hours 6 minutes earlier.
Area forecast discussion, May 27, 1:35 PM CDT, 8 hours 6 minutes before
TEXAS/OKLAHOMA PANHANDLES FORECAST DISCUSSION NATIONAL WEATHER SERVICE AMARILLO TX 135 PM CDT SUN MAY 27 2001 A COMPLICATED SITUATION IS IN PLACE FOR THE AREA AND WILL PUT UNCERTAINTY IN THE TIMING OF EVENTS. RADAR SHOWS SOME LEFTOVER BOUNDARIES FROM PREVIOUS ACTIVITY. AN OLD FRONTAL BOUNDARY IS DIFFICULT TO PLACE BUT APPEARS TO BE NEAR OUR SOUTHERN ZONES. AT THE SAME TIME...A DRYLINE IS POISED IN EASTERN NM AND SHOULD MOVE EASTWARD INTO THE CWA BEFORE DARK. AN INSTABILITY LINE APPEARS STRETCHED FROM SE CO TO SW KS AND INTO OK. THIS WILL PUT OUR NE IN THE BEST CHANCE FOR ACTIVE WEATHER AS ALL THE INGREDIENTS COME TOGETHER THIS EVENING. THE AREA REMAINS UNDER THE INFLUENCE OF NORTHWEST FLOW AND PLENTY OF MOISTURE WILL STILL BE IN PLACE TO WORK ON MONDAY INTO TUESDAY. A WAVE MOVES TOWARD THE AREA AT MIDWEEK AND PROVIDES FURTHER OPPORTUNITY FOR STORMS. NW FLOW ALOFT HANGS ON INTO THE LATE WEEK AS A WEAKER SYSTEM SETTLES IN OVER THE NORTHERN PLAINS. INDICATORS STILL SHOW A DRIER LATE WEEK...SO WILL NOT MAKE ANY CHANGES THERE. .AMA... TX...NONE. OK...NONE. WYNNE
In the hours before
Special weather statement, May 27, 9:10 PM CDT, 31 minutes before
OKZ002-003-TXZ002>005-007>010-012>015-017>020-280230- SPECIAL WEATHER STATEMENT NATIONAL WEATHER SERVICE AMARILLO TX 910 PM CDT SUN MAY 27 2001 THE NATIONAL WEATHER SERVICE OFFICE IN AMARILLO HAS CLEARED THE FOLLOWING COUNTIES FROM SEVERE THUNDERSTORM WATCH NUMBER 303... IN THE OKLAHOMA PANHANDLE...TEXAS AND BEAVER. THE THREAT FOR SEVERE WEATHER HAS DIMINISHED. SEVERE THUNDERSTORM WATCH NUMBER 303 REMAINS IN EFFECT UNTIL 11 PM FOR THE FOLLOWING COUNTIES IN THE TEXAS PANHANDLE...SHERMAN... HANSFORD...OCHILTREE...LIPSCOMB...MOORE...HUTCHINSON...ROBERTS... HEMPHILL...POTTER...CARSON...GRAY...WHEELER...RANDALL...ARMSTRONG... DONLEY...AND COLLINGSWORTH. ANDRADE
The office that day
Everything else NWS Amarillo, TX issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| May 27, 7:37 PM CDT | Severe Thunderstorm Warning | AMA | Lipscomb | 53 min |
| May 27, 8:26 PM CDT | Severe Thunderstorm Warning | AMA | Hemphill, Lipscomb | 94 min |
| May 27, 9:13 PM CDT | Tornado Warning | AMA | Hemphill | 47 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.