Alert archive / Texas / Severe Thunderstorm Warnings in 1991
Severe Thunderstorm Warning 21, NWS Amarillo, TX
NWS Amarillo, TX issued this severe thunderstorm warning at May 10, 1991, 10:02 PM CDT for Hutchinson County, Texas. It was in force for 58 min.
The area
The counties it named.
The facts
- Issued
- May 10, 1991, 10:02 PM CDT (03:02 UTC)
- Expired
- May 10, 1991, 11:00 PM CDT
- In force
- 58 min
- Issued by
- NWS Amarillo, TX
- Area
- Whole counties
County Hutchinson County, TX
The nearest sounding before it
Amarillo Airport, TX (KAMA), launched 00:00Z, 3.0 hours before the alert went out and 75 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
- 2246 J/kg
- Mixed-layer CIN
- -165 J/kg
- Mixed-layer LCL
- 862 m above ground
- 0-6 km bulk shear
- 32 kt
- 0-1 km storm-relative helicity
- 216 m²/s²
- 0-3 km storm-relative helicity
- 320 m²/s²
- Significant tornado parameter
- 0.7
- Supercell composite
- 13.7
The text
As transmitted, in the capitals the NWS used until 2016.
000 TTAA00 KAMA 110304 SVRAMA TXC233-110400- BULLETIN - IMMEDIATE BROADCAST REQUESTED SEVERE THUNDERSTORM WARNING NATIONAL WEATHER SERVICE AMARILLO TX 1002 PM CDT FRI MAY 10 1991 THE NATIONAL WEATHER SERVICE IN AMARILLO HAS ISSUED A SEVERE THUNDERSTORM WARNING EFFECTIVE UNTIL 1100 PM CDT FOR THE PEOPLE IN THE FOLLOWING LOCATIONS IN THE TEXAS PANHANDLE ...HUTCHINSON COUNTY AT 1000 PM CDT A SEVERE THUNDERSTORM WAS LOCATED IN EXTREME SOUTHERN HUTCHINSON COUNTY JUST SOUTHEAST OF FRITCH. THIS THUNDERSTORM WILL LIKELY PRODUCE LARGE HAIL AND STRONG WINDS AS IT MOVES TOWARD THE NORTHEAST AT 25 MPH. WHEN THUNDERSTORMS ARE OCCURRING...PEOPLE SHOULD MOVE INSIDE A STRONG BUILDING. DO NOT STAND BY WINDOWS. DON'T USE TELEPHONES OR ELECTRICAL APPLIANCES UNLESS IN AN EMERGENCY UNTIL THE STORM HAS PASSED. MOTORISTS SHOULD NOT DRIVE INTO LOW WATER CROSSINGS. SC
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.
In the hours before
Special weather statement, May 10, 4:09 PM CDT, 5 hours 53 minutes before
TXZ001>009-NMZ005-009-013-OKZ001>003-110300- SPECIAL WEATHER STATEMENT NATIONAL WEATHER SERVICE AMARILLO TX 415 PM CDT FRI MAY 10 1991 A TORNADO WATCH IS IN EFFECT UNTIL 10 PM CDT FRIDAY EVENING FOR EXTREME EASTERN NEW MEXICO...THE WESTERN TWO THIRDS OF THE OKLAHOMA PANHANDLE...AND THE WESTERN TWO THIRDS OF THE TEXAS PANHANDLE. THE TORNADO WATCH INCLUDES CIMARRON AND TEXAS COUNTIES OF THE OKLAHOMA PANHANDLE...AND THE FOLLOWING COUNTIES OF THE TEXAS PANHANDLE...DALLAM..HARTLEY..OLDHAM..DEAF SMITH..SHERMAN..MOORE.. POTTER..RANDALL..HANSFORD..HUTCHINSON..CARSON..AND ARMSTRONG. TORNADOES...LARGE HAIL...DANGEROUS LIGHTNING AND DAMAGING THUNDERSTORM WINDS ARE POSSIBLE IN THESE AREAS. REMEMBER...A TORNADO WATCH MEANS CONDITIONS ARE FAVORABLE FOR TORNADOES AND SEVERE THUNDERSTORMS IN AND CLOSE TO THE WATCH AREA. PERSONS IN THE WATCH AREA SHOULD BE ON THE LOOKOUT FOR THREATENING WEATHER CONDITIONS AND LISTEN FOR LATER STATEMENTS AND POSSIBLE WARNINGS.
Special weather statement, May 10, 4:47 PM CDT, 5 hours 15 minutes before
TXZ001>009-NMZ005-009-013-OKZ001>003-110300- SPECIAL WEATHER STATEMENT AND RADAR SUMMARY NATIONAL WEATHER SERVICE AMARILLO TX 445 PM CDT FRI MAY 10 1991 A TORNADO WATCH IS IN EFFECT UNTIL 10 PM CDT FRIDAY EVENING FOR EXTREME EASTERN NEW MEXICO...THE WESTERN TWO THIRDS OF THE OKLAHOMA PANHANDLE...AND THE WESTERN TWO THIRDS OF THE TEXAS PANHANDLE. AT 435 PM CDT SCATTERED SHOWERS AND A FEW THUNDERSTORMS HAD DEVELOPED ACROSS THE EXTREME NORTHWEST CORNER OF THE TEXAS PANHANDLE AND THE NORTHEAST CORNER OF NEW MEXICO. THE HEAVIEST PRECIPITATION WAS JUST SOUTHWEST OF MIDDLE WATER IN HARTLEY COUNTY. ELSEWHERE SCATTERED SHOWERS AND A FEW THUNDERSTORMS WERE INDICATED ACREOSS THE SOUTHEAST TEXAS SOUTH PLAINS NEAR JAYTON. NO MOVEMENT NOTED AT THIS TIME.
Special weather statement, May 10, 5:20 PM CDT, 4 hours 42 minutes before
TXZ001>009-NMZ005-009-013-OKZ001>003-102300- SPECIAL WEATHER STATEMENT NATIONAL WEATHER SERVICE AMARILLO TX 520 PM CDT FRI MAY 10 1991 ...TORNADO WATCH IS IN EFFECT FOR THE WESTERN TWO-THIRDS OF THE TEXAS AND OKLAHOMA PANHANDLE UNTIL 10 PM CDT... AT 515 PM CDT...RADAR INDICATED A DEVELOPING LINE OF THUNDERSTORMS IN THE WESTERN TEXAS AND OKLAHOMA PANHANDLES. THE STRONGEST STORMS IN THE LINE WERE LOCATED NORTH OF 8 MILES NORTH OF ADRIAN IN OLDHAM COUNTY AND 10 MILES SOUTH OF DALHART IN HARTLEY COUNTY. THE LINE WAS MOVING NORTH AT 30 MPH. BRIEF HEAVY RAIN...HAIL AND STRONG WIND ARE POSSIBLE WITH THESE THUNDERSTORMS AS THEY GAIN STRENGTH AND MOVE ACROSS THE WESTERN TEXAS AND OKLAHOMA PANZHANDLES. A TORNADO WATCH IS IN EFFECT FOR THE WESTERN TWO-THIRDS OF THE PANHANDLES UNTIL 10 PM CDT. PLEASE REMAIN ALERT AND STAY TUNED TO THIS STATION FOR LATER STATEMENTS AND POSSIBLE WARNINGS. PLISCHKE
Special weather statement, May 10, 5:22 PM CDT, 4 hours 40 minutes before
TXZ001>009-NMZ005-009-013-OKZ001>003-102300- SPECIAL WEATHER STATEMENT NATIONAL WEATHER SERVICE AMARILLO TX 520 PM CDT FRI MAY 10 1991 ...TORNADO WATCH IS IN EFFECT FOR THE WESTERN TWO-THIRDS OF THE TEXAS AND OKLAHOMA PANHANDLES UNTIL 10 PM CDT... AT 515 PM CDT...RADAR INDICATED A DEVELOPING LINE OF THUNDERSTORMS IN THE WESTERN TEXAS AND OKLAHOMA PANHANDLES. THE STRONGEST STORMS IN THE LINE WERE LOCATED 8 MILES NORTH OF ADRIAN IN OLDHAM COUNTY AND 10 MILES SOUTH OF DALHART IN HARTLEY COUNTY. THE LINE WAS MOVING NORTH AT 30 MPH. BRIEF HEAVY RAIN...HAIL AND STRONG WIND ARE POSSIBLE WITH THESE THUNDERSTORMS AS THEY GAIN STRENGTH AND MOVE ACROSS THE WESTERN TEXAS AND OKLAHOMA PANHANDLES. A TORNADO WATCH IS IN EFFECT FOR THE WESTERN TWO-THIRDS OF THE PANHANDLES UNTIL 10 PM CDT. PLEASE REMAIN ALERT AND STAY TUNED TO THIS STATION FOR LATER STATEMENTS AND POSSIBLE WARNINGS. PLISCHKE
The office that day
Everything else NWS Amarillo, TX issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| May 10, 7:15 PM CDT | Severe Thunderstorm Warning | AMA | Castro, Parmer | 60 min |
| May 10, 7:45 PM CDT | Tornado Warning | AMA | Parmer | 30 min |
| May 10, 7:50 PM CDT | Tornado Warning | AMA | Castro | 25 min |
| May 10, 7:51 PM CDT | Tornado Warning | AMA | Oldham | 39 min |
| May 10, 8:20 PM CDT | Tornado Warning | AMA | Castro, Parmer | 25 min |
| May 10, 8:30 PM CDT | Tornado Warning | AMA | Dallam, Sherman | 30 min |
| May 10, 8:50 PM CDT | Severe Thunderstorm Warning | AMA | Randall | 55 min |
| May 10, 9:00 PM CDT | Severe Thunderstorm Warning | AMA | Dallam, Hartley | 60 min |
| May 10, 9:13 PM CDT | Severe Thunderstorm Warning | AMA | Potter | 62 min |
| May 10, 9:16 PM CDT | Tornado Warning | AMA | Castro, Randall | 29 min |
| May 10, 9:25 PM CDT | Severe Thunderstorm Warning | AMA | Sherman | 65 min |
| May 10, 10:00 PM CDT | Severe Thunderstorm Warning | AMA | Carson, Randall | 60 min |
| May 10, 10:43 PM CDT | Severe Thunderstorm Warning | AMA | Armstrong, Carson, Potter | 47 min |
| May 10, 11:03 PM CDT | Severe Thunderstorm Warning | AMA | Randall | 57 min |
| May 10, 11:30 PM CDT | Severe Thunderstorm Warning | AMA | Carson | 60 min |
| May 11, 6:45 PM CDT | Severe Thunderstorm Warning | AMA | Castro, Swisher | 60 min |
Nearby
Severe Thunderstorm Warnings in Texas, 1991Every severe thunderstorm warning in 1991
Sources
The product and its follow-ups from the Iowa Environmental Mesonet's archive of National Weather Service and Storm Prediction Center text; the sounding from the Mesonet's radiosonde archive.