Alert archive / Oklahoma / Flash Flood Warnings in 1997
Flash Flood Warning 19, NWS Tulsa, OK
NWS Tulsa, OK issued this flash flood warning at Jun 28, 1997, 11:14 AM CDT for Sequoyah County, Oklahoma. It was in force for 3 hr. No storm report in the archive falls inside the area while it was in force.
The area
The counties it named.
The facts
- Issued
- Jun 28, 1997, 11:14 AM CDT (16:14 UTC)
- Expired
- Jun 28, 1997, 2:15 PM CDT
- In force
- 3 hr
- Issued by
- NWS Tulsa, OK
- Area
- Whole counties
County Sequoyah County, OK
The nearest sounding before it
Springfield, MO (KSGF), launched 12:00Z, 4.2 hours before the alert went out and 178 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
- 2010 J/kg
- Mixed-layer CIN
- -43 J/kg
- Mixed-layer LCL
- 807 m above ground
- 0-6 km bulk shear
- 10 kt
- 0-1 km storm-relative helicity
- 97 m²/s²
- 0-3 km storm-relative helicity
- 118 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 KTUL 281615 FFWTUL OKC135-281915- BULLETIN - EAS ACTIVATION REQUESTED FLASH FLOOD WARNING NATIONAL WEATHER SERVICE TULSA OK 1114 AM CDT SAT JUN 28 1997 THE NATIONAL WEATHER SERVICE IN TULSA HAS ISSUED A FLASH FLOOD WARNING EFFECTIVE UNTIL 215 PM CDT FOR PEOPLE IN THE FOLLOWING LOCATION... IN EAST CENTRAL OKLAHOMA ...SEQUOYAH COUNTY VERY HEAVY RAINS CONTINUE ACROSS PORTIONS OF EASTERN SEQUOYAH COUNTY AS OF 1110 AM AND THIS WILL CONTINUE TO POSE A THREAT FOR FLASH FLOODING ...ESPECIALLY IN THE ROLAND AREA. BETWEEN 8 AND 11 AM RADAR ESTIMATED THAT 1 TO 2 INCHES FELL ACROSS MUCH OF SEQUOYAH COUNTY...WITH ESTIMATES OF 3 TO 4 INCHES JUST NORTHEAST OF SALLISAW. FLOODING OF CREEKS AND STREAM IS LIKELY GOING ON WHERE THE HEAVIEST RAINS FELL. GIVEN THE CONTINUED HEAVY RAINS IN EASTERN SEQUOYAH COUNTY AND THE LIKELY ON GOING FLOODIG IN OTHER AREAS...THE FLASH FLOOD WARNING FOR SEQOYAH COUNTY IS NOW IN EFFECT UNTIL 215 PM. MOST FLASH FLOOD DEATHS OCCUR IN AUTOMOBILES. DO NOT DRIVE YOUR VEHICLE INTO AREAS WHERE THE WATER COVERS THE ROADWAY. THE WATER MAY BE TOO DEEP TO ALLOW YOUR CAR TO CROSS SAFELY. IF YOUR VEHICLE GETS CAUGHT IN RISING WATER...ABANDONED IT QUICKLY. THELN MOVE TO HIGHER GROUND. KEEP TUNED TO THIS STATION FOR THE LATEST WEATHER BULLETINS.
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.
NWS Tulsa, OK wrote its last area forecast discussion before this flash flood warning went out at Jun 28, 10:28 AM CDT, 46 minutes earlier.
Area forecast discussion, Jun 28, 10:28 AM CDT, 46 minutes before
EASTERN OKLAHOMA/NORTHWEST ARKANSAS FORECAST DISCUSSION
NATIONAL WEATHER SERVICE TULSA OK
1025 AM CDT SAT JUN 28 1997
S/WV OVR WRN OK THIS MRNG HAS BEEN GENERATING SOME HVY RAINS ACRS
PARTS OF FA THIS MRNG. ACTVTY OVR CNTL PART OF STATE SHOWING SOME
WEAKENING...WHILE HEAVIER RAINS CONTG TO FALL OVR E-CNTL OK/W-CNTL
AR UP INTO NW AR. DO XPCT TO SEE WEAKENING IN THIS AREA THRU REST
OF THE MRNG THOUGH. FOR NOW WL UPDATE ZNS TO LOWER POPS A LTL OVR
FAR SRN PART OF FA...AND WL BREAK UP SOME ZN GROUPS OVR NRN AREAS
BASED ON CURRENT RADAR TRENDS. WL LIKELY NEED TO UPDATE SOME AREAS
AGN A LTL LATER ON. EARLY LOOK AT NEW ETA/NGM THIS MRNG SHOW MDLS
CARRY WK S/WV SLOWLY ACRS THE AREA NXT 24 HRS OR SO...SO WL MAKE
NO CHGS TO LATER PDS.
...04...
.TUL...
OK...NONE.
AR...NONE.In the hours before
Special weather statement, Jun 28, 5:58 AM CDT, 5 hours 16 minutes before
ARZ001-002-010-011-019-029-OKZ054>076-291200- EASTERN OKLAHOMA/NORTHWEST ARKANSAS THUNDERSTORM OUTLOOK NATIONAL WEATHER SERVICE TULSA OK 600 AM CDT SAT JUN 28 1997 ISOLATED SEVERE THUNDERSTORMS ARE EXPECTED ACROSS EASTERN OKLAHOMA AND NORTHWEST ARKANSAS LATE THIS MORNING THROUGH EARLY TONIGHT. AN UPPER LEVEL WEATHER SYSTEM OVER WESTERN OKLAHOMA THIS MORNING WILL MOVE INTO EASTERN OKLAHOMA LATE THIS AFTERNOON. SCATTERED SHOWERS AND THUNDERSTORMS WILL DEVELOP AHEAD OF THE SYSTEM TODAY... WITH THUNDERSTORM INTENSITIES GRADUALLY INCREASING LATER THIS MORNING. BREAKS IN THE CLOUDS WILL ALLOW TEMPERATURES TO WARM INTO THE MID AND UPPER 80S IN MOST AREAS THIS AFTERNOON. WITH DEWPOINT TEMPERATURES IN THE UPPER 60S AND LOWER 70S...THE AIRMASS WILL BE MODERATELY UNSTABLE. A FEW STRONG TO SEVERE THUNDERSTORMS ARE EXPECTED TO DEVELOP LATE THIS MORNING AND THIS AFTERNOON AS THE UPPER LEVEL SYSTEM APPROACHES. WINDS FROM THE SURFACE UP TO THE JET STREAM LEVEL REMAIN RELATIVELY WEAK...THUS ONLY SHORT-LIVED SEVERE THUNDERSTORMS ARE POSSIBLE. HAIL UP TO THE SIZE OF NICKELS AND WIND GUSTS TO 65 MPH CAN BE EXPECTED WITH ANY SEVERE THUNDERSTORMS. THUNDERSTORMS WILL BE SLOW MOVING...AND ISDOLATED HEAVY RAINS COULD LEAD TO LOCALIZED FLOODING. THE THUNDERSTORMS WILL GRADUALLY WEAKEN AFTER SUNSET. EMERGENCY MANAGEMENT AGENCIES AND STORM SPOTTER GROUPS SHOULD MONITOR THE LATEST FORECASTS AND LISTEN FOR AN UPDATED OUTLOOK AT 100 PM.
Special weather statement, Jun 28, 6:00 AM CDT, 5 hours 14 minutes before
ARZ001-002-010-011-019-029-OKZ054>076-291200- EASTERN OKLAHOMA/NORTHWEST ARKANSAS THUNDERSTORM OUTLOOK NATIONAL WEATHER SERVICE TULSA OK 600 AM CDT SAT JUN 28 1997 ISOLATED SEVERE THUNDERSTORMS ARE EXPECTED ACROSS EASTERN OKLAHOMA AND NORTHWEST ARKANSAS LATE THIS MORNING THROUGH EARLY TONIGHT. AN UPPER LEVEL WEATHER SYSTEM OVER WESTERN OKLAHOMA THIS MORNING WILL MOVE INTO EASTERN OKLAHOMA LATE THIS AFTERNOON. SCATTERED SHOWERS AND THUNDERSTORMS WILL DEVELOP AHEAD OF THE SYSTEM TODAY... WITH THUNDERSTORM INTENSITIES GRADUALLY INCREASING LATER THIS MORNING. BREAKS IN THE CLOUDS WILL ALLOW TEMPERATURES TO WARM INTO THE MID AND UPPER 80S IN MOST AREAS THIS AFTERNOON. WITH DEWPOINT TEMPERATURES IN THE UPPER 60S AND LOWER 70S...THE AIRMASS WILL BE MODERATELY UNSTABLE. A FEW STRONG TO SEVERE THUNDERSTORMS ARE EXPECTED TO DEVELOP LATE THIS MORNING AND THIS AFTERNOON AS THE UPPER LEVEL SYSTEM APPROACHES. WINDS FROM THE SURFACE UP TO THE JET STREAM LEVEL REMAIN RELATIVELY WEAK...THUS ONLY SHORT-LIVED SEVERE THUNDERSTORMS ARE POSSIBLE. HAIL UP TO THE SIZE OF NICKELS AND WIND GUSTS TO 65 MPH CAN BE EXPECTED WITH ANY SEVERE THUNDERSTORMS. THUNDERSTORMS WILL BE SLOW MOVING...AND ISOLATED HEAVY RAINS COULD LEAD TO LOCALIZED FLOODING. THE THUNDERSTORMS WILL GRADUALLY WEAKEN AFTER SUNSET. EMERGENCY MANAGEMENT AGENCIES AND STORM SPOTTER GROUPS SHOULD MONITOR THE LATEST FORECASTS AND LISTEN FOR AN UPDATED OUTLOOK AT 100 PM.
Special weather statement, Jun 28, 6:24 AM CDT, 4 hours 50 minutes before
OKZ068-069-281200- SPECIAL WEATHER STATEMENT NATIONAL WEATHER SERVICE TULSA OK 624 AM CDT SAT JUN 28 1997 ...STRONG THUNDERSTORM OVER CHEROKEE COUNTY MOVING INTO ADAIR COUNTY... AT 622 AM...THE NATIONAL WEATHER SERVICE RADAR IN TULSA INDICATED A STRONG THUNDERSTORM CENTERED 4 MILES SOUTH OF SCRAPER IN NORTHEAST CHEROKEE COUNTY. A SECOND STRONG STORM WAS CENTERED 2 MILES EAST OF PROCTOR IN WESTERN ADAIR COUNTY. PEA SIZE HAIL...WIND GUSTS OF 40 TO 50 MPH...AND VERY HEAVY RAINS CAN BE EXPECTED WITH THESE STORMS AS THEY MOVE EAST AT 15 MPH. RESIDENTS OF MOODYS...CHEWEY...PROCTOR...WESTVILLE...AND WATTS WILL BE AFFECTED BY THESE STORMS THROUGH 700 AM. TORRENTIAL RAIN MAY CAUSE LOCALIZED FLOODING OF LOW LYING AREAS ON HIGHWAY 10 NORTH OF TAHLEQUAH AND ALONG HIGHWAY 62 BETWEEN TAHLEQUAH AND WESTVILLE.
Special weather statement, Jun 28, 6:26 AM CDT, 4 hours 48 minutes before
OKZ068-069-281200- SPECIAL WEATHER STATEMENT NATIONAL WEATHER SERVICE TULSA OK 624 AM CDT SAT JUN 28 1997 ...STRONG THUNDERSTORM OVER CHEROKEE COUNTY MOVING INTO ADAIR COUNTY... AT 622 AM...THE NATIONAL WEATHER SERVICE RADAR IN TULSA INDICATED A STRONG THUNDERSTORM CENTERED 4 MILES SOUTH OF SCRAPER IN NORTHEAST CHEROKEE COUNTY. A SECOND STRONG STORM WAS CENTERED 2 MILES EAST OF PROCTOR IN WESTERN ADAIR COUNTY. PEA SIZE HAIL...WIND GUSTS OF 40 TO 50 MPH...AND VERY HEAVY RAINS CAN BE EXPECTED WITH THESE STORMS AS THEY MOVE EAST AT 15 MPH. RESIDENTS OF MOODYS...CHEWEY...PROCTOR...WESTVILLE...AND WATTS WILL BE AFFECTED BY THESE STORMS THROUGH 700 AM. TORRENTIAL RAIN MAY CAUSE LOCALIZED FLOODING OF LOW LYING AREAS ON HIGHWAY 10 NORTH OF TAHLEQUAH AND ALONG HIGHWAY 62 BETWEEN TAHLEQUAH AND WESTVILLE.
The office that day
Everything else NWS Tulsa, OK issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Jun 28, 9:33 AM CDT | Flash Flood Warning | TSA | Sequoyah | 117 min |
Nearby
Flash Flood Warnings in Oklahoma, 1997Every flash flood warning in 1997
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.