Alert archive / Oklahoma / Flash Flood Warnings in 1991
Flash Flood Warning 13, NWS Norman, OK
NWS Norman, OK issued this flash flood warning at Jun 2, 1991, 12:44 AM CDT for Jackson County, Oklahoma. It was in force for 3 hr.
The area
The counties it named.
The facts
- Issued
- Jun 2, 1991, 12:44 AM CDT (05:44 UTC)
- Expired
- Jun 2, 1991, 3:45 AM CDT
- In force
- 3 hr
- Issued by
- NWS Norman, OK
- Area
- Whole counties
County Jackson County, OK
The nearest sounding before it
Norman, OK (KOUN), launched 00:00Z, 5.7 hours before the alert went out and 197 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
- 2602 J/kg
- Mixed-layer CIN
- -9 J/kg
- Mixed-layer LCL
- 1058 m above ground
- 0-6 km bulk shear
- 18 kt
- 0-1 km storm-relative helicity
- 82 m²/s²
- 0-3 km storm-relative helicity
- 97 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 KOKC 020542 FFWOKC OKC015-031-065-075-141-020845- BULLETIN - EBS ACTIVATION REQUESTED FLASH FLOOD WARNING NATIONAL WEATHER SERVICE OKLAHOMA CITY OK 1244 AM CDT SUN JUN 2 1991 THE NATIONAL WEATHER SERVICE IN OKLAHOMA CITY HAS ISSUED A FLASH FLOOD WARNING EFFECTIVE UNTIL 345 AM CDT FOR THE FOLLOWING OKLAHOMA LOCATIONS... IN SOUTHWEST OKLAHOMA ...CADDO COUNTY...COMANCHE COUNTY...JACKSON COUNTY ...SOUTHEASTERN KIOWA COUNTY...TILLMAN COUNTY THUNDERSTORMS HAVE PRODUCED HEAVY RAINFALL THIS EVENING FROM BINGER SOUTHWEST ACROSS SOUTHEAST KIOWA COUNTY THROUGH MUCH OF JACKSON COUNTY. RAINFALL AMOUNTS OF ABOUT 3 INCHES HAVE OCCURRED ACROSS THE WARNING AREA...SATURATING THE GROUND AND CAUSED NUMEROUS SMALL STREAMS TO OVERFLOW THEIR BANKS. THUNDERSTORMS CONTINUE ACROSS MUCH OF SOUTHWESTERN OKLAHOMA AND ADDITIONAL HEAVY RAINFALL IS LIKELY TONIGHT. PERSONS IN LOW LYING OR FLOOD PRONE AREAS SHOULD BE AWARE OF THE POSSIBILITY OF FLOODING DURING THE NEXT SEVERAL HOURS. BE ESPECIALLY CAUTIOUS AT NIGHT WHEN IT IS HARDER TO RECOGNIZE THE DANGERS OF FLOODS AND FLASH FLOODS. IF FLASH FLOODING IS OBSERVED...ACT QUICKLY. MOVE UP TO ESCAPE FLOOD WATERS. DO NOT STAY IN AREAS SUBJECT TO FLOODING WHEN WATER BEGINS RISING.
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
Local storm report, Jun 1, 7:26 PM CDT, 5 hours 18 minutes before
LOCAL STORM REPORT
NATIONAL WEATHER SERVICE WICHITA FALLS TX
730 PM CDT SAT JUN 1 1991
TIME COUNTY EVENT
558 PM CDT KNOX DIME SIZE HAIL AT TRUSCOTT.
610 PM CDT FOARD DIME SIZE HAIL..60MPH WIND AT CROWELL.
610 PM CDT FOARD DIME SIZE HAIL 1 MILE WEST OF CROWELL AND AT
FOARD CITY HIGH WIND ALSO REPORTED.
612 PM CDT FOARD QUARTER SIZE HAIL JUST SOUTHWEST OF CITY OF
WICHITA FALLS.
615 PM CDT FOARD GOLFBALL SIZE HAIL NORTHWEST CROWELL.
615 PM CDT HARDEMAN MARBLE SIZE HAIL 2 MILES NORTH OF CHILLOCOTHE
625 PM CDT HARDEMAN MARBLE SIZE HAIL IN CHILLOCTHE.
626 PM CDT HARDEMAN QUARTER SIZE HAIL AT MEDICINE MOUND.Special weather statement, Jun 1, 11:14 PM CDT, 1 hour 30 minutes before
OKZ010-011-014-015-016-020500- SPECIAL WEATHER STATEMENT NATIONAL WEATHER SERVICE OKLAHOMA CITY OK 1114 PM CDT SAT JUN 1 1991 ...STRONG THUNDERSTORMS ONCE AGAIN MOVING INTO THE OKLAHOMA CITY METRO AREA... AT 1114 PM NATIONAL WEATHER SERVICE RADAR INDICATED THE LEADING EDGE OF AN AREA OF THUNDERSTORMS EXTENDING FROM PIEDMONT TO YUKON TO BLANCHARD. THE STORMS WERE MOVING NORTHEAST AT 25 MPH. THESE STORMS DO NOT APPEAR TO BE SEVERE...HOWEVER THE STRONGER STORMS WILL PRODUCE WINDS TO 45 MPH...SMALL HAIL...VERY HEAVY RAINS...AND VERY FREQUENT CLOUD TO GROUND LIGHTNING. PEOPLE IN CENTRAL OKLAHOMA...INCLUDING THE OKLAHOMA CITY AREA...SHOULD REMAIN ALERT AS THESE STORMS APPROACH. THE STORMS WILL BE IN THE METRO AREA UNTIL APPROXIMATELY 1 AM SUNDAY MORNING.
Special weather statement, Jun 2, 12:02 AM CDT, 42 minutes before
OKZ004-019-020600- SPECIAL WEATHER STATEMENT NATIONAL WEATHER SERVICE OKLAHOMA CITY OK 1201 AM CDT SUN JUN 2 1991 ...STRONG THUNDERSTORMS WITH HEAVY RAINS IN CENTRAL AND SOUTHWEST OKLAHOMA... ...SEVERE THUNDERSTORM WARNING FOR SOUTHERNM KIOWA COUNTY HAS EXPIRED... ...FLASH FLOOD WARNING FOR KIOWA COUNTY UNTIL 130 AM... AT MIDNIGHT CDT NATIONAL WEATHER SERVICE RADAR INDICATED A LARGE AREA OF THUNDERSTORMS FROM GUTHRIE TO MIDWEST CITY TO DUNCAN EXTENDING WESTWARD ACROSS MOST OF OKLAHOMA. THE STRONGEST STORMS WERE OVER EASTERN KIOWA COUNTY NORTHEAST ACROSS CADDO AND GRADY COUNTY AND INTO THE OKLAHOMA CITY AREA. THE STRONGEST STORMS WILL PRODUCE SMALL HAIL...WIND GUSTS OF 35 TO 45 MPH AND VERY HEAVY RAINS. FLOODING OF LOW-LYING AND POOR DRAINAGE AREAS CAN BE EXPECTED THROUGH THE EARLY MORNING HOURS. HIGH WATER WAS REPORTED OVER ROADS SOUTH AND EAST OF ALTUS. ALSO..THESE STORMS HAVE A HISTORY OF VERY FREQUENT CLOUD-TO-GROUND LIFGHTNING.
Special weather statement, Jun 2, 12:25 AM CDT, 19 minutes before
TXZ019-020-020600- SPECIAL WEATHER STATEMENT NATIONAL WEATHER SERVICE WICHITA FALLS TX 1130 PM CDT SAT JUN 1 1991 ...A SEVERE THUNDERSTORM WATCH IN EFFECT UNTIL 100 AM SUNDAY MORNING FOR HARDEMAN..FOARD..KNOX..WILBARGER..BAYLOR..WICHITA..ARCHER..YOUNG..AND.. CLAY COUNTIES OF NORTHCENTRAL TEXAS AND COTTON COUNTY OF SOUTHERN OKLAHOMA AT 1115 PM CDT WICHITA FALLS RADAR INDICATED A LINE OF VERY HEAVY THUNDER STORMS EXTENDING FROM OKLAHOMA CITY..SOUTHWEST TO LAWTON..AND WEST TO O ALTUS OKLAHOMA..THEN SOUTHWEST TO 50 MILES NORTHEAST OF LUBBOCK TEXAS. THIS LINE OF VERY HEAVY THUNDERSTORMS REMAINED NEARLY STATIONARY IN NORTH CENTRAL TEXAS WITH LITTLE OR NO MOVEMENT SINCE 1000 PM CDT. THE PORTION OF THE LINE IN OKLAHOMA WAS MOVING TO THE EAST AT 25 MILES PER HOUR. VERY HEAVY THUNDERSTORMS CONTINUED ACROSS NORTHWEST HARDEMAN COUNTY... HOWEVER NO SEVERE WEATHER HAS BEEN REPORTED THEIR SINCE 830 PM CDT. BECAUSE THIS LINE OF VERY HEAVY THUNDERSTORMS IS NEARLY STATIONARY... PERSONS IN HARDEMAN COUNTY OF NORTH CENTRAL TEXAS... ESPECIALLY THOSE IN LOW LYING AREAS SHOULD BE ALERT TO FLOODING OF LOW LYING LANDS AS WELLS AS RURAL COUNTRY ROADS. IN OTHER AREAS OF NORTH CENTRAL TEXAS ARO&UND WICHITA FALLS..RADAR SHOWED NO PRECIPITATION.
Special weather statement, Jun 2, 12:36 AM CDT, 8 minutes before
TXZ019-020-020630- SPECIAL WEATHER STATEMENT NATIONAL WEATHER SERVICE WICHITA FALLS TX 1230 AM CDT SUN JUN 2 1991 ...A SEVERE THUNDERSTORM WATCH IN EFFECT UNTIL 100 AM SUNDAY MORNING FOR HARDEMAN..FOARD..KNOX..WILBARGER..BAYLOR..WICHITA..ARCHER..YOUNG..AND.. CLAY COUNTIES OF NORTHCENTRAL TEXAS AND COTTON COUNTY OF SOUTHERN OKLAHOMA AT 1230 AM CDT WICHITA FALLS RADAR INDICATED A LINE OF VERY STRONG THUNDERSTORMS FROM OKLAHOMA CITY..SOUTHWEST TO LAWTON..TO SOUTH OF ALTUS OKLAHOMA..THEN EXTENDING SOUTH ACROSS HARDEMAN TO KNOX COUNTIES. THIS LINE OF VERY HEAVY THUNDERSTORMS REMAINED NEARLY STATIONARY IN NORTH CENTRAL TEXAS WITH INDIVIDUAL CELLS MOVING TO THE NORTHEAST AT 15 MPH. VERY HEAVY THUNDERSTORMS CONTINUED ACROSS THE WESTERN HALF OF HARDEMAN COUNTY AND SOUTHWESTERN FOARD COUNTY. ALTHOUGH NO SEVERE WEATHER HAS BEEN REPORTED...QUANAH IN HARDEMAN COUNTY HAS REPORTED AROUND 1215 AM TORRENTIAL RAIN...FREQUENT LIGHTNING AND WIND GUSTING TO 50 MPH. RESIDENTS OF HARDEMAN AND FOARD COUNTY WILL CONTINUE TO SEE VERY HEAVY RAINS...GUSTY WINDS...FREQUENT LIGHTNING AND POSSIBLY SMALL HAIL IN THE NEXT ONE TO TWO HOURS. RESIDENTS OF FOARD AND HARDEMAN COUNTY SHOULD BE VERY CAREFUL OF LOW-LYING FLOODING AND NOT DRIVE INTO AREAS WHERE WATER COVERS THE ROAD. RADAR SHOWED NO PRECIPITATION WICHITA FALLS OR THE IMMEDIATE SURROUNDING COUNTIES.
The office that day
Everything else NWS Norman, OK issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Jun 1, 7:09 PM CDT | Severe Thunderstorm Warning | OUN | Kiowa, Washita | 66 min |
| Jun 1, 7:09 PM CDT | Severe Thunderstorm Warning | OUN | Jackson, Tillman | 66 min |
| Jun 1, 7:33 PM CDT | Severe Thunderstorm Warning | OUN | Caddo, Comanche | 42 min |
| Jun 1, 7:33 PM CDT | Severe Thunderstorm Warning | OUN | Blaine | 42 min |
| Jun 1, 7:54 PM CDT | Severe Thunderstorm Warning | OUN | Canadian, Kingfisher | 51 min |
| Jun 1, 8:56 PM CDT | Severe Thunderstorm Warning | OUN | Canadian, Cleveland, Kingfisher, Logan, Oklahoma | 64 min |
| Jun 1, 8:56 PM CDT | Severe Thunderstorm Warning | OUN | Grady, McClain | 64 min |
| Jun 1, 8:56 PM CDT | Severe Thunderstorm Warning | OUN | Garfield, Noble | 64 min |
| Jun 1, 9:17 PM CDT | Severe Thunderstorm Warning | OUN | Payne | 43 min |
| Jun 1, 9:30 PM CDT | Severe Thunderstorm Warning | OUN | Lincoln, Pottawatomie | 60 min |
| Jun 1, 9:34 PM CDT | Severe Thunderstorm Warning | OUN | Comanche, Kiowa | 41 min |
| Jun 1, 9:54 PM CDT | Severe Thunderstorm Warning | OUN | Noble, Payne | 36 min |
| Jun 1, 10:12 PM CDT | Severe Thunderstorm Warning | OUN | Caddo, Kiowa | 48 min |
| Jun 1, 10:23 PM CDT | Flash Flood Warning | OUN | Kiowa | 3 hr |
| Jun 1, 10:27 PM CDT | Severe Thunderstorm Warning | OUN | Pottawatomie, Seminole | 48 min |
| Jun 1, 10:27 PM CDT | Severe Thunderstorm Warning | OUN | Lincoln | 48 min |
| Jun 1, 11:30 PM CDT | Severe Thunderstorm Warning | OUN | Kiowa | 30 min |
| Jun 2, 12:44 AM CDT | Flash Flood Warning | OUN | Caddo, Comanche, Kiowa, Tillman | 3 hr |
| Jun 2, 1:56 AM CDT | Flash Flood Warning | OUN | Grady | 109 min |
| Jun 2, 3:44 AM CDT | Flash Flood Warning | OUN | Caddo, Comanche, Kiowa | 2 hr |
| Jun 2, 3:44 AM CDT | Flash Flood Warning | OUN | Harmon, Jackson | 2 hr |
| Jun 2, 6:00 AM CDT | Flash Flood Warning | OUN | Caddo | 2 hr |
| Jun 2, 4:48 PM CDT | Severe Thunderstorm Warning | OUN | Jefferson, Love | 42 min |
| Jun 2, 6:10 PM CDT | Severe Thunderstorm Warning | OUN | Carter, Johnston | 50 min |
Nearby
Flash Flood Warnings in Oklahoma, 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.