Alert archive / Texas / Flash Flood Warnings in 1991
Flash Flood Warning 9, NWS Amarillo, TX
NWS Amarillo, TX issued this flash flood warning at Jun 5, 1991, 6:50 PM CDT for Swisher County, Texas. It was in force for 115 min.
The area
The counties it named.
The facts
- Issued
- Jun 5, 1991, 6:50 PM CDT (23:50 UTC)
- Expired
- Jun 5, 1991, 8:45 PM CDT
- In force
- 115 min
- Issued by
- NWS Amarillo, TX
- Area
- Whole counties
County Swisher County, TX
The nearest sounding before it
Amarillo Airport, TX (KAMA), launched 12:00Z, 11.8 hours before the alert went out and 78 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
- 886 J/kg
- Mixed-layer CIN
- -205 J/kg
- Mixed-layer LCL
- 1703 m above ground
- 0-6 km bulk shear
- 19 kt
- 0-1 km storm-relative helicity
- 180 m²/s²
- 0-3 km storm-relative helicity
- 117 m²/s²
- Significant tornado parameter
- 0.0
- Supercell composite
- 0.0
The text
The text of this product is not in the archive. The NWS text archive before 2002 is incomplete.
What forecasters said that day
The local office's own words before this flash flood 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, Jun 5, 1:02 PM CDT, 5 hours 48 minutes before
TXZ001>009-NMZ005-009-013-OKZ001>003-060500- TEXAS/OKLAHOMA PANHANDLES THUNDERSTORM OUTLOOK NATIONAL WEATHER SERVICE AMARILLO TX 100 PM CDT WED JUN 05 1991 THERE IS A SLIGHT RISK OF SEVERE THUNDERSTORMS LATE THIS AFTERNOON AND EVENING ACROSS THE TEXAS AND OKLAHOMA PANHANDLES. EARLY THIS AFTERNOON...THE DRYLINE WAS LOCATED IN EASTERN NEW MEXICO. AN UPPER LEVEL LOW PRESSURE DISTURBANCE MOVING THROUGH BAJA CALIFORNIA INTO SOUTHERN NEW MEXICO IS EXPECTED TO PASS NEAR THE REGION TONIGHT. THE PROXIMITY OF THIS DISTURBANCE INTERACTING WITH THE DRYLINE AND AVAILABLE MOISTURE ALREADY IN PLACE WILL RESULT IN THE DEVELOPMENT OF THUNDERSTORMS LATE TODAY AND TONIGHT. AT THIS TIME...ALL THE INGREDIENTS NECESSARY FOR SEVERE WEATHER ARE NOT QUITE ESTABLISHED. HOWEVER... ISOLATED STORMS MAY BECOME SEVERE THIS EVENING AS THE DISTURBANCE GETS CLOSER. SPOTTER GROUPS AND EMERGENCY MANAGEMENT OFFICIALS IN THE OKLAHOMA AND TEXAS PANHANDLES SHOULD REMAIN ALERT AND BE READY FOR ACTIVATION THIS EVENING IF NECESSARY.
Special weather statement, Jun 5, 2:58 PM CDT, 3 hours 52 minutes before
TXZ001>009-NMZ005-009-013-OKZ001>003-060300- SPECIAL WEATHER STATEMENT NATIONAL WEATHER SERVICE AMARILLO TX 300 PM CDT WED JUN 5 1991 ...TORNADO WATCH #486 IS IN EFFECT UNTIL 10 PM CDT (9 PM MDT) FOR THE WESTERN TWO-THIRDS OF THE TEXAS AND OKLAHOMA PANHANDLES AND PARTS OF NORTHEAST NEW MEXICO... COUNTIES INCLUDED IN THE OKLAHOMA PANHANDLE ARE CIMARRON AND BEAVER. IN NORTHEAST NEW MEXICO UNION...QUAY..CURRY AND ROOSEVELT. IN THE TEXAS PANHANDLE...DALLAM...HARTLEY...OLDHAM...DEAF SMITH...PARMER... SHERMAN...MOORE...POTTER...RANDALL...CASTRO...SWISHER...HANSFORD... HUTCHINSON...CARSON AND ARMSTRONG. TORNADOES...LARGE HAIL....DANGEROUS LIGHTNING AND DAMAGING THUNDERSTORM WINDS ARE POSSIBLE IN AND CLOSE TO THESE COUNTIES. BE ON THE LOOKOUT FOR THREATENING WEATHER CONDITIONS AND LISTEN FOR LATER STATEMENTS AND POSSIBLE WARNINGS. EISE
Special weather statement, Jun 5, 3:04 PM CDT, 3 hours 46 minutes before
TXZ001>009-NMZ005-009-013-OKZ001>003-060300- SPECIAL WEATHER STATEMENT...CORRECTION NATIONAL WEATHER SERVICE AMARILLO TX 300 PM CDT WED JUN 5 1991 ...TORNADO WATCH #486 IS IN EFFECT UNTIL 10 PM CDT (9 PM MDT) FOR THE WESTERN TWO-THIRDS OF THE TEXAS AND OKLAHOMA PANHANDLES AND PARTS OF NORTHEAST NEW MEXICO... COUNTIES INCLUDED IN THE OKLAHOMA PANHANDLE ARE CIMARRON AND TEXAS. IN NORTHEAST NEW MEXICO UNION...QUAY..CURRY AND ROOSEVELT. IN THE TEXAS PANHANDLE...DALLAM...HARTLEY...OLDHAM...DEAF SMITH...PARMER... SHERMAN...MOORE...POTTER...RANDALL...CASTRO...SWISHER...HANSFORD... HUTCHINSON...CARSON AND ARMSTRONG. TORNADOES...LARGE HAIL....DANGEROUS LIGHTNING AND DAMAGING THUNDERSTORM WINDS ARE POSSIBLE IN AND CLOSE TO THESE COUNTIES. BE ON THE LOOKOUT FOR THREATENING WEATHER CONDITIONS AND LISTEN FOR LATER STATEMENTS AND POSSIBLE WARNINGS. ...CORRECTION TO ADD TEXAS COUNTY OKLAHOMA IN PLACE OF BEAVER COUNTY... EISE
The office that day
Everything else NWS Amarillo, TX issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Jun 5, 3:28 PM CDT | Severe Thunderstorm Warning | AMA | Swisher | 62 min |
| Jun 5, 3:45 PM CDT | Tornado Warning | AMA | Castro, Swisher | 45 min |
| Jun 5, 4:22 PM CDT | Severe Thunderstorm Warning | AMA | Randall | 68 min |
| Jun 5, 4:25 PM CDT | Severe Thunderstorm Warning | AMA | Wheeler | 65 min |
| Jun 5, 4:52 PM CDT | Tornado Warning | AMA | Deaf Smith, Oldham | 38 min |
| Jun 5, 5:28 PM CDT | Severe Thunderstorm Warning | AMA | Deaf Smith, Randall | 62 min |
| Jun 5, 5:55 PM CDT | Severe Thunderstorm Warning | AMA | Swisher | 65 min |
| Jun 5, 6:14 PM CDT | Tornado Warning | AMA | Swisher | 31 min |
| Jun 5, 6:29 PM CDT | Severe Thunderstorm Warning | AMA | Castro | 61 min |
| Jun 5, 6:50 PM CDT | Severe Thunderstorm Warning | AMA | Swisher | 115 min |
Nearby
Flash Flood Warnings in Texas, 1991Every flash flood 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.