Alert archive / Texas / Flash Flood Warnings in 1993
Flash Flood Warning 9, NWS Amarillo, TX
NWS Amarillo, TX issued this flash flood warning at Jun 17, 1993, 5:20 PM CDT for Sherman County, Texas. It was in force for 115 min.
The area
The counties it named.
The facts
- Issued
- Jun 17, 1993, 5:20 PM CDT (22:20 UTC)
- Expired
- Jun 17, 1993, 7:15 PM CDT
- In force
- 115 min
- Issued by
- NWS Amarillo, TX
- Area
- Whole counties
County Sherman County, TX
The nearest sounding before it
Amarillo Airport, TX (KAMA), launched 12:00Z, 10.3 hours before the alert went out and 118 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
- 34 J/kg
- Mixed-layer CIN
- -100 J/kg
- Mixed-layer LCL
- 1066 m above ground
- 0-6 km bulk shear
- 6 kt
- 0-1 km storm-relative helicity
- -62 m²/s²
- 0-3 km storm-relative helicity
- 47 m²/s²
- Significant tornado parameter
- 0.0
- Supercell composite
- 0.0
The text
As transmitted, in the capitals the NWS used until 2016.
000 TTAA00 KAMA 172220 FFWAMA TXC421-180015- BULLETIN - EBS ACTIVATION REQUESTED FLASH FLOOD WARNING NATIONAL WEATHER SERVICE AMARILLO TX 520 PM CDT THU JUN 17 1993 THE NATIONAL WEATHER SERVICE IN AMARILLO HAS ISSUED A FLASH FLOOD WARNING EFFECTIVE UNTIL 715 PM CDT FOR THE PEOPLE IN THE FOLLOWING LOCATION... IN THE TEXAS PANHANDLE ...EASTERN SHERMAN COUNTY AT 515 PM CDT...NATIONAL WEATHER SERVICE DOPPLER RADAR INDICATED AN AREA OF THUNDERSTORMS WITH TORRENTIAL RAINFALL ALONG AND EAST OF HIGHWAY 287. THESE STORMS WERE MOVING NORTHEAST AT 20 MILES AN HOUR. RADAR ESTIMATES SUGGEST THAT 1.5 TO 2.5 INCHES OF RAINFALL HAS FALLEN OVER THE NORTH CANADIAN RIVER AND EAST OF HIGHWAY 287 DURING THE PAST COUPLE HOURS. WITH MORE THUNDERSTORMS MOVING INTO THE COUNTY FROM THE SOUTH... ADDITIONAL HEAVY RAINFALL IS LIKELY IN THIS SAME GENERAL AREA. A FLASH FLOOD WARNING MEANS THAT FLOODING IS IMMINENT. KNOW YOUR LOCATION IN RELATION TO STREAMS...RIVERS OR" CREEKS THAT CAN BECOME KILLERS IN HEAVY RAINS. DO NOT ATTEMPT TO DRIVE THROUGH RISING WATER. DO NOT CROSS AREAS WHERE WATER IS FLOWING...EVEN ON FOOT. RAPIDLY FLOWING WATER CAN QUICKLY SWEEP YOU OFF YOUR FEET.
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 17, 1:00 PM CDT, 4 hours 20 minutes before
TXZ001>009-NMZ005-009-013-OKZ001>003-181200- TEXAS/OKLAHOMA PANHANDLES THUNDERSTORM OUTLOOK NATIONAL WEATHER SERVICE AMARILLO TX 100 PM CDT THU JUN 17 1993 THERE IS A SLIGHT RISK OF SEVERE THUNDERSTORMS THIS AFTERNOON... EVENING AND TONIGHT ALONG AND NORTHWEST OF A LINE FROM BEAVER OKLAHOMA TO AMARILLO TEXAS TO JUST WEST OF LUBBOCK TEXAS. WIDELY SCATTERED THUNDERSTORMS ARE FORECAST ACROSS THE REST OF THE PANHANDLES THROUGH TONIGHT. THE MAIN THREAT FROM THE SEVERE STORMS WILL BE FLOODING RAINS OF ONE TO TWO INCHES PER HOUR...LARGE HAIL UP TO 2 INCHES IN DIAMETER AND DAMAGING WINDS OF 60 TO 80 MPH. MOIST UNSTABLE AIR ACROSS THE PANHANDLES WILL BE FOCUSED ALONG SEVERAL OUTFLOW BOUNDARIES FROM THIS MORNINGS STORMS PLUS A COLD FRONT MOVING FROM COLORADO INTO NORTHEAST NEW MEXICO. LARGE SCALE LIFT FROM A SYSTEM MOVING INTO WESTERN NEW MEXICO WILL INCREASE THE UNSTABLE AIR ACROSS THE PANHANDLES AS MORE MOISTURE PULLS NORTH FROM THE GULF OF MEXICO AND COLD AIR MOVES IN AT UPPER LEVELS. SPOTTER GROUPS AND EMERGENCY MANAGEMENT OFFICIALS ACROSS THE OKLAHOMA PANHANDLE AND THE WESTERN AND NORTHERN TEXAS PANHANDLE SHOULD REMAIN ALERT AND BE READY FOR ACTIVATION THIS EVENING IF NECESSARY. THE THREAT OF SEVERE WEATHER WILL CONTINUE ACROSS THE PANHANDLES ON FRIDAY. JSE
Special weather statement, Jun 17, 1:01 PM CDT, 4 hours 19 minutes before
TXZ001>009-NMZ005-009-013-OKZ001>003-181200- TEXAS/OKLAHOMA PANHANDLES THUNDERSTORM OUTLOOK NATIONAL WEATHER SERVICE AMARILLO TX 100 PM CDT THU JUN 17 1993 THERE IS A SLIGHT RISK OF SEVERE THUNDERSTORMS THIS AFTERNOON... EVENING AND TONIGHT ALONG AND NORTHWEST OF A LINE FROM BEAVER OKLAHOMA TO AMARILLO TEXAS TO JUST WEST OF LUBBOCK TEXAS. WIDELY SCATTERED THUNDERSTORMS ARE FORECAST ACROSS THE REST OF THE PANHANDLES THROUGH TONIGHT. THE MAIN THREAT FROM THE SEVERE STORMS WILL BE FLOODING RAINS OF ONE TO TWO INCHES PER HOUR...LARGE HAIL UP TO 2 INCHES IN DIAMETER AND DAMAGING WINDS OF 60 TO 80 MPH. MOIST UNSTABLE AIR ACROSS THE PANHANDLES WILL BE FOCUSED ALONG SEVERAL OUTFLOW BOUNDARIES FROM THIS MORNINGS STORMS PLUS A COLD FRONT MOVING FROM COLORADO INTO NORTHEAST NEW MEXICO. LARGE SCALE LIFT FROM A SYSTEM MOVING INTO WESTERN NEW MEXICO WILL INCREASE THE UNSTABLE AIR ACROSS THE PANHANDLES AS MORE MOISTURE PULLS NORTH FROM THE GULF OF MEXICO AND COLD AIR MOVES IN AT UPPER LEVELS. SPOTTER GROUPS AND EMERGENCY MANAGEMENT OFFICIALS ACROSS THE OKLAHOMA PANHANDLE AND THE WESTERN AND NORTHERN TEXAS PANHANDLE SHOULD REMAIN ALERT AND BE READY FOR ACTIVATION THIS EVENING IF NECESSARY. THE THREAT OF SEVERE WEATHER WILL CONTINUE ACROSS THE PANHANDLES ON FRIDAY. JSE
Special weather statement, Jun 17, 2:40 PM CDT, 2 hours 40 minutes before
TXZ001>012-COZ015>017-NMZ005-009-013-OKZ001>004-008-009-012-013-172045- SPECIAL WEATHER STATEMENT AND RADAR SUMMARY NATIONAL WEATHER SERVICE AMARILLO TX 240 PM CDT THU JUN 17 1993 ...SEVERE THUNDERSTORM WATCH IN EFFECT FOR EASTERN NEW MEXICO UNTIL 9 PM CDT... AT 230 PM CDT...NATIONAL WEATHER SERVICE DOPPLER RADAR WAS INDICATING A LINE OF SHOWER AND THUNDERSTORMS 20 MILES WIDE EXTENDING FROM EASTERN BEAVER COUNTY IN OKLAHOMA SOUTHWESTWARD TO 5 MILES WEST OF CLARENDON IN THE SOUTHERN TEXAS PANHANDLE. THE STRONGEST STORMS PRODUCING BRIEF HEAVY DOWNPOURS WERE OCCURRING IN WESTERN HEMPHILL AND NORTHEASTERN GRAY COUNTIES. MOVEMENT WAS NORTH AT AROUND 20 MILES AN HOUR. THUNDERSTORMS WERE DEVELOPING OVER THE MOUNTAINS OF NEW MEXICO AND ARE EXPECTED TO MOVE INTO THE EASTERN PLAINS OF NEW MEXICO LATER THIS AFTERNOON AND EVENING. PERSONS IN EASTERN NEW MEXICO SHOULD MONITOR THIS SITUATION CLOSELY. SD
Special weather statement, Jun 17, 2:43 PM CDT, 2 hours 37 minutes before
TXZ001>012-COZ015>017-NMZ005-009-013-OKZ001>004-008-009-012-013-172045- SPECIAL WEATHER STATEMENT AND RADAR SUMMARY NATIONAL WEATHER SERVICE AMARILLO TX 240 PM CDT THU JUN 17 1993 ...SEVERE THUNDERSTORM WATCH IN EFFECT FOR EASTERN NEW MEXICO UNTIL 9 PM CDT... AT 230 PM CDT...NATIONAL WEATHER SERVICE DOPPLER RADAR WAS INDICATING A LINE OF SHOWER AND THUNDERSTORMS 20 MILES WIDE EXTENDING FROM EASTERN BEAVER COUNTY IN OKLAHOMA SOUTHWESTWARD TO 5 MILES WEST OF CLARENDON IN THE SOUTHERN TEXAS PANHANDLE. THE STRONGEST STORMS PRODUCING BRIEF HEAVY DOWNPOURS WERE OCCURRING IN WESTERN HEMPHILL AND NORTHEASTERN GRAY COUNTIES. MOVEMENT WAS NORTH AT AROUND 20 MILES AN HOUR. THUNDERSTORMS WERE D`EVELOPING OVER THE MOUNTAINS OF NEW MEXICO AND ARE EXPECTED TO MOVE INTO THE EASTERN PLAINS OF NEW MEXICO LATER THIS AFTERNOON AND EVENING. PERSONS IN EASTERN NEW MEXICO SHOULD MONITOR THIS SITUATION CLOSELY. SD
Special weather statement, Jun 17, 3:00 PM CDT, 2 hours 20 minutes before
TXZ001>009-NMZ005-009-013-OKZ001>003-181200- TEXAS/OKLAHOMA PANHANDLES THUNDERSTORM OUTLOOK...UPDATE NATIONAL WEATHER SERVICE AMARILLO TX 300 PM CDT THU JUN 17 1993 THERE IS A SLIGHT RISK OF SEVERE THUNDERSTORMS THIS AFTERNOON... EVENING AND TONIGHT ACROSS ALL OF THE TEXAS AND OKLAHOMA PANHANDLE. THE MAIN THREAT FROM THE SEVERE STORMS WILL BE FLOODING RAINS OF ONE TO TWO INCHES PER HOUR...LARGE HAIL UP TO 2 INCHES IN DIAMETER AND DAMAGING WINDS OF 60 TO 80 MPH. MOIST UNSTABLE AIR ACROSS THE PANHANDLES WILL BE FOCUSED ALONG SEVERAL OUTFLOW BOUNDARIES FROM THIS MORNINGS STORMS PLUS A COLD FRONT MOVING FROM COLORADO INTO NORTHEAST NEW MEXICO. LARGE SCALE LIFT FROM A SYSTEM MOVING INTO CENTRAL NEW MEXICO WILL INCREASE THE UNSTABLE AIR ACROSS THE PANHANDLES AS MORE MOISTURE PULLS NORTH FROM THE GULF OF MEXICO AND COLD AIR MOVES IN AT UPPER LEVELS. SPOTTER GROUPS AND EMERGENCY MANAGEMENT OFFICIALS ACROSS THE OKLAHOMA AND TEXAS PANHANDLES SHOULD REMAIN ALERT AND BE READY FOR ACTIVATION THROUGH TONIGHT IF NECESSARY. THE THREAT OF SEVERE WEATHER WILL CONTINUE ACROSS THE PANHANDLES ON FRIDAY. JSE
Special weather statement, Jun 17, 3:09 PM CDT, 2 hours 11 minutes before
TXZ001>009-NMZ005-009-013-OKZ001>003-181200- TEXAS/OKLAHOMA PANHANDLES THUNDERSTORM OUTLOOK...UPDATE NATIONAL WEATHER SERVICE AMARILLO TX 300 PM CDT THU JUN 17 1993 THERE IS A SLIGHT RISK OF SEVERE THUNDERSTORMS THIS AFTERNOON... EVENING AND TONIGHT ACROSS ALL OF THE TEXAS AND OKLAHOMA PANHANDLE. THE MAIN THREAT FROM THE SEVERE STORMS WILL BE FLOODING RAINS OF ONE TO TWO INCHES PER HOUR...LARGE HAIL UP TO 2 INCHES IN DIAMETER AND DAMAGING WINDS OF 60 TO 80 MPH. MOIST UNSTABLE AIR ACROSS THE PANHANDLES WILL BE FOCUSED ALONG SEVERAL OUTFLOW BOUNDARIES FROM THIS MORNINGS STORMS PLUS A COLD FRONT MOVING FROM COLORADO INTO NORTHEAST NEW MEXICO. LARGE SCALE LIFT FROM A SYSTEM MOVING INTO CENTRAL NEW MEXICO WILL INCREASE THE UNSTABLE AIR ACROSS THE PANHANDLES AS MORE MOISTURE PULLS NORTH FROM THE GULF OF MEXICO AND COLD AIR MOVES IN AT UPPER LEVELS. SPOTTER GROUPS AND EMERGENCY MANAGEMENT OFFICIALS ACROSS THE OKLAHOMA AND TEXAS PANHANDLES SHOULD REMAIN ALERT AND BE READY FOR ACTIVATION THROUGH TONIGHT IF NECESSARY. THE THREAT OF SEVERE WEATHER WILL CONTINUE ACROSS THE PANHANDLES ON FRIDAY. JSE
Nearby
Flash Flood Warnings in Texas, 1993Every flash flood warning in 1993
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.