Alert archive / Oklahoma / Flash Flood Warnings in 1992
Flash Flood Warning 13, NWS Norman, OK
NWS Norman, OK issued this flash flood warning at Jun 8, 1992, 7:40 PM CDT for Bryan County, Marshall County, Oklahoma. It was in force for 3 hr.
The area
The counties it named.
The facts
- Issued
- Jun 8, 1992, 7:40 PM CDT (00:40 UTC)
- Expired
- Jun 8, 1992, 10:45 PM CDT
- In force
- 3 hr
- Issued by
- NWS Norman, OK
- Area
- Whole counties
Counties Bryan County, OK, Marshall County, OK
The radar
The Norman radar (KTLX), 164 km from the middle of the area, began a volume at 00:44 UTC, the scan nearest the moment this went out.
Open the radar archive at this moment
The archived warnings, watches and discussions in force at that minute are drawn over the scan, this one among them.
The nearest sounding before it
Norman, OK (KOUN), launched 00:00Z, 0.7 hours before the alert went out and 159 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
- 998 J/kg
- Mixed-layer CIN
- -11 J/kg
- Mixed-layer LCL
- 975 m above ground
- 0-6 km bulk shear
- 22 kt
- 0-1 km storm-relative helicity
- -18 m²/s²
- 0-3 km storm-relative helicity
- 29 m²/s²
- Significant tornado parameter
- 0.0
- Supercell composite
- -0.2
The text
As transmitted, in the capitals the NWS used until 2016.
000 TTAA00 KOKC 090042 FFWOKC OKC013-095-090345- BULLETIN - EBS ACTIVATION REQUESTED FLASH FLOOD WARNING NATIONAL WEATHER SERVICE OKLAHOMA CITY OK 740 PM CDT MON JUN 8 1992 THE NATIONAL WEATHER SERVICE IN OKLAHOMA CITY HAS ISSUED A FLASH FLOOD WARNING EFFECTIVE UNTIL 1045 PM CDT FOR THE FOLLOWING OKLAHOMA LOCATIONS... IN SOUTHEAST OKLAHOMA ...BRYAN COUNTY...MARSHALL COUNTY AT 740 PM... RADAR RAINFALL ESTIMATES INDICATED THAT 2 TO 4 INCHES OF RAIN HAVE FALLEN OVER PARTS OF MARSHALL AND SOUTHERN BRYAN COUNTIES. THE HEAVIEST RAINS WERE LOCATED IN THE LAKE TEXOMA AREA AND 8 MILES SOUTH OF DURANT. THE SLOW MOVING STORMS WILL PRODUCE ADDITIONAL HEAVY RAIN ACROSS MARSHALL AND SOUTHERN BRYAN COUNTIES. DO NOT DRIVE YOUR VEHICLE INTO AREAS WHERE THE WATER COVERS THE ROADWAY. THE WATER DEPTH MAY BE TOO GREAT TO ALLOW YOUR CAR TO CROSS SAFELY. VEHICLES CAUGHT IN RISING WATER SHOULD BE ABANDONED QUICKLY. MOVE 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, Jun 8, 4:25 PM CDT, 3 hours 15 minutes before
OKC109-082330- SPECIAL WEATHER STATEMENT NATIONAL WEATHER SERVICE OKLAHOMA CITY OK 425 PM CDT MON JUN 8 1992 AT 425 PM CDT RADAR INDICATED RAPIDLY DEVELOPING THUNDERSTORMS OVER THE OKLAHOMA CITY METROPOLITAN AREA. VERY HEAVY RAINFALL WAS INDICATED FROM JUST NORTHWEST OF TINKER AIR FORCE BASE ACROSS THE I40/I35 JUNCTION TO JUST EAST OF THE DOWNTOWN AREA. ANOTHER THUNDERSTORM WAS INTENSIFYING THREE MILES NORTHWEST OF CHOCTAW. THE THUNDERSTORMS WERE MOVING TOWARD THE NORTHEAST AT 10 MILES PER HOUR. THE HEAVY RAINFALL WILL RESULT IN CONSIDERABLE WATER ON ROADWAYS AND FLOODING OF LOW-LYING INTERSECTIONS. MOTORISTS SHOULD REDUCE SPEED AND AVOID TRAVEL THROUGH AREAS PRONE TO FLOOD DURING HEAVmY RAINS. STAY TUNED TO NOAA WEATHER RADIO FOR LATER UPDATES.
Special weather statement, Jun 8, 5:09 PM CDT, 2 hours 31 minutes before
OKC109-090015- SPECIAL WEATHER STATEMENT NATIONAL WEATHER SERVICE OKLAHOMA CITY OK 509 PM CDT MON JUN 8 1992 AT 509 PM CDT RADAR INDICATED AN AREA OF THUNDERSTORMS WITH VERY HEAVY RAINFALL EXTENDING FROM NEAR THE I35/I44 JUNCTION TO 3 MILES NORTH OF JONES MOVING TOWARD THE NORTHEAST AT 15 MILES PER HOUR. THESE THUNDERSTORMS ARE CAPABLE OF PRODUCING 1 TO 2 INCHES OF RAIN IN LESS THAN AN HOUR. NUMEROUS INTERSECTIONS IN OKLAHOMA CITY ARE FLOODED...AND WATER IS FLOWING OVER LOW-LYING ROADWAYS. ONE TO TWO FEET OF WATER HAS PONDED IN THE VICINITY OF I35 AND NORTHEAST 23RD. MOTORISTS TRAVELING IN OKLAHOMA CITY SHOULD EXERCISE EXTREME CAUTION AND BE PREPARED FOR FLOODING OF LOW LYING AREAS. DO NOT DRIVE INTO WATER OF UNKNOWN DEPTH SINCE IT MAY BE DEEP ENOUGH TO STALL YOUR VEHICLE. WATER LIKELY IS FLOWING OVER LOW WATER CROSSINGS...AND MOTORISTS SHOULD NOT ATTEMPT TO CROSS THEM. DRAINAGE DITCHES WILL BE RUNNING FULL THROUGH 600 PM ACROSS CENTRAL AND EASTERN OKLAHOMA CITY. CHILDREN SHOULD NOT BE ALLOWED TO PLAY IN THE VICINITY OF QUICKLY FLOWING WATER SINCE THEY MAY FALL IN AND BE SWEPT AWAY. THIS AREA OF RAIN IS DRIFTING TOWARD ARCADIA...THE EAST SIDE OF EDMOND...AND THE TURNER TURNPIKE BETWEEN I35 AND ANDERSON ROAD. RAIN SHOULD BE ENDING SOON IN MIDWEST CITY...DEL CITY...AND CHOCTAW.
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; radar from the NEXRAD Level II archive.