Alert archive / Oklahoma / Flash Flood Warnings in 1992
Flash Flood Warning 4, NWS Norman, OK
NWS Norman, OK issued this flash flood warning at May 13, 1992, 5:15 PM CDT for Atoka County, Oklahoma. It was in force for 4 hr.
The area
The counties it named.
The facts
- Issued
- May 13, 1992, 5:15 PM CDT (22:15 UTC)
- Expired
- May 13, 1992, 9:15 PM CDT
- In force
- 4 hr
- Issued by
- NWS Norman, OK
- Area
- Whole counties
County Atoka County, OK
The nearest sounding before it
Norman, OK (KOUN), launched 12:00Z, 10.3 hours before the alert went out and 156 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
- 1245 J/kg
- Mixed-layer CIN
- -262 J/kg
- Mixed-layer LCL
- 867 m above ground
- 0-6 km bulk shear
- 11 kt
- 0-1 km storm-relative helicity
- 38 m²/s²
- 0-3 km storm-relative helicity
- 56 m²/s²
- Significant tornado parameter
- 0.0
- Supercell composite
- 1.9
The text
As transmitted, in the capitals the NWS used until 2016.
000 TTAA00 KOKC 132222 COR FFWOKC OKC005-140215- BULLETIN - EBS ACTIVATION REQUESTED FLASH FLOOD WARNING...CORRECTED NATIONAL WEATHER SERVICE OKLAHOMA CITY OK 515 PM CDT WED MAY 13 1992 THE NATIONAL WEATHER SERVICE IN OKLAHOMA CITY HAS ISSUED A FLASH FLOOD WARNING EFFECTIVE UNTIL 915 PM CDT FOR THE FOLLOWING OKLAHOMA LOCATIONS... IN SOUTHEAST OKLAHOMA ...ATOKA COUNTY AT 510 PM RADAR INDICATED NUMEROUS SLOW MOVING THUNDERSTORMS ACROSS NORTHERN AND EASTERN PORTIONS OF ATOKA COUNTY. RADAR RAINFALL ESTIMATES INDICATE THAT NEARLY 3 INCHES OF RAIN HAS FALLEN IN PORTIONS OF EASTERN ATOKA COUNTY BETWEEN 410 AND 510 PM. ALSO...RADAR ESTIMATED STORM TOTAL RAINFALL AMOUNTS APPROACHING 5 INCHES IN THE SAME AREA. THUNDERSTORMS ARE EXPECTED TO CONTINUE UNTIL AT LEAST 6 PM IN ATOKA COUNTY. ANOTHER 1 TO 3 INCHES OF RAIN IS POSSIBLE BETWEEN 510 AND 6 PM IN PORTIONS OF ATOKA COUNTY. DUE TO THE LARGE AMOUNTS OF RAIN...FLASH FLOODING WILL LIKELY CONTINUE WELL AFTER THE PRECIPITATION STOPS. RAPID WATER RISES ON THE MUDDY BOGGY CREEK ARE LIKELY BETWEEN 510 PM AND 7 PM. A FLASH FLOOD WARNING MEANS THAT FLOODING IS OCCURRING OR IS IMMINENT. MOST FLASH FLOOD DEATHS OCCUR IN AUTOMOBILES. DO NOT ATTEMPT TO CROSS. BRIDGES...DIPS...OR LOW SPOTS IF WATER COVERS THE ROADWAY. NEVER TRY TO CROSS A FLOWING STREAM...EVEN A SMALL ONE...ON FOOT. TO ESCAPE RISING WATER MOVE UP TO HIGHER GROUND.
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, May 13, 4:17 PM CDT, 58 minutes before
OKZ020-021-132215- SPECIAL WEATHER STATEMENT NATIONAL WEATHER SERVICE OKLAHOMA CITY OK 418 PM CDT WED MAY 13 1992 AT 4 17 PM A LARGE SEVERE THUNDERSTORM WAS LOCATED 6 MILES NORTHEAST OF STRINGTOWN. THE STORM WAS BUILDING SLOWLY WESTWARD. LARGE HAIL UP TO GOLFBALL SIZE AND TORRENTIAL RAINFALL ARE LIKELY WITH THIS STORM. ANOTHER SEVERE THUNDERSTORM WAS LOCATED NEARING THE TOWN OF LANE. IF YOU ARE NEAR THESE THUNDERSTORMS GO TO A PLACE OF SAFETY. JKP
Special weather statement, May 13, 4:23 PM CDT, 52 minutes before
TXZ019-020-132225- SPECIAL WEATHER STATEMENT NATIONAL WEATHER SERVICE WICHITA FALLS TX 425 PM CDT WED MAY 13 1992 ...A TORNADO WATCH HAS BEEN ISSUED FOR THE NORTH TEXAS COUNTIES OF ARCHER...CLAY...HARDEMAN...KNOX...YOUNG...BAYLOR...FOARD...JACK... WICHITA...AND WILBARGER. THE WATCH IS EFFECTIVE UNTIL 1000 PM CDT THIS EVENING... AT 420 PM CDT WICHITA FALLS RADAR INDICATED STORMS HAVE DEVELOPED IN SOUTHERN YOUNG COUNTY TO THE WEST OF GRAHAM. OTHER SCATTERED STORMS EXISTED SOUTH TO BRECKENRIDGE. SEVERE STORMS CONTINUE NEAR ABILENE AND SOUTH OF MCALESTER. LITTLE MOVEMENT WAS DETECTED. SEVERE WEATHER IS EXPECTED FROM THE INTERACTION OF AN OLD FRONTAL BOUNDARY AND DRYLINE...INTENSE HEATING OUF MOIST SURFACE AIR...AND AN UPPER AIR DISTURBANCE ENTERING THE AREA FROM THE NORTHWEST.
Local storm report, May 13, 4:46 PM CDT, 29 minutes before
LOCAL STORM REPORT NATIONAL WEATHER SERVICE OKLAHOMA CITY OK 445 PM WED MAY 13 1992 TIME(CDT) COUNTY LOCATION / REPORT 445 PM COAL DIME SIZED HAIL IN LEHIGH.
Local storm report, May 13, 4:51 PM CDT, 24 minutes before
LOCAL STORM REPORT
NATIONAL WEATHER SERVICE OKLAHOMA CITY OK
450 PM WED MAY 13 1992
TIME(CDT) COUNTY LOCATION / REPORT
432 PM ATOKA QUARTER SIZE HAIL COVERING GROUND AT
LANE AGRICULTURAL RESEARCH STATIONLocal storm report, May 13, 4:57 PM CDT, 18 minutes before
LOCAL STORM REPORT NATIONAL WEATHER SERVICE OKLAHOMA CITY OK 455 PM WED MAY 13 1992 TIME(CDT) COUNTY LOCATION / REPORT 454 PM COAL QUARTER SIZE HAIL IN LEHIGH
Special weather statement, May 13, 5:00 PM CDT, 15 minutes before
OKC005-029-132300- SPECIAL WEATHER STATEMENT NATIONAL WEATHER SERVICE OKLAHOMA CITY OK 501 PM CDT WED MAY 13 1992 AT 5 00 PM DOPPLER RADAR RAINFALL ESTIMATES UP TO 2.6 INCHES OF RAINFALL HAVE FALLEN 4 MILES NORTHEAST OF LANE. THE STORMS LOCATED IN ATOKA AND COAL COUNTIES WILL PRODUCE HEAVY RAINFALL IN OTHER LOCATIONS AND MAY CAUSE LOCAL FLOODING OF LOW LYING AREAS. DON'T DRIVE OVER FLOODED ROADWAYS...REMEMBER IT ONLY TAKES 1 TO 2 FEET OF FLOWING WATER TO LIFT AND CARRY AN AVERAGE CAR OR TRUCK. JKP
The office that day
Everything else NWS Norman, OK issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| May 13, 3:35 PM CDT | Severe Thunderstorm Warning | OUN | Atoka, Pushmataha | 55 min |
| May 13, 4:28 PM CDT | Severe Thunderstorm Warning | OUN | Atoka | 47 min |
| May 13, 4:37 PM CDT | Severe Thunderstorm Warning | OUN | Coal | 53 min |
Nearby
Flash Flood Warnings in Oklahoma, 1992Every flash flood warning in 1992
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.