Alert archive / Oklahoma / Severe Thunderstorm Warnings in 1989
Severe Thunderstorm Warning 151, NWS Norman, OK
NWS Norman, OK issued this severe thunderstorm warning at May 14, 1989, 1:14 AM CDT for Caddo County, Oklahoma. It was in force for 46 min. 1 report came from inside the area while it was in force.
The area
The counties it named, with what was reported inside it.
The facts
- Issued
- May 14, 1989, 1:14 AM CDT (06:14 UTC)
- Expired
- May 14, 1989, 2:00 AM CDT
- In force
- 46 min
- Issued by
- NWS Norman, OK
- Area
- Whole counties
County Caddo County, OK
The radar
The WSR-88D network and its archive begin in 1991, so there is no radar volume for this alert.
What was reported inside it
| Time | Report | Where | Remark |
|---|---|---|---|
| May 14, 1:35 AM CDT | Hail 1 | Caddo, OK |
NCEI Storm Data entries that began inside the alert's area while it was in force. Before 2003 the local storm report archive is thin, so this is the record of what happened rather than what was phoned in. Storm Data before 1996 records only tornadoes, thunderstorm wind and hail.
The nearest sounding before it
Norman, OK (KOUN), launched 00:00Z, 6.2 hours before the alert went out and 89 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
- 813 J/kg
- Mixed-layer CIN
- -32 J/kg
- Mixed-layer LCL
- 880 m above ground
- 0-6 km bulk shear
- 39 kt
- 0-1 km storm-relative helicity
- 18 m²/s²
- 0-3 km storm-relative helicity
- 69 m²/s²
- Significant tornado parameter
- 0.1
- Supercell composite
- 0.5
The text
The text of this product is not in the archive. The NWS text archive before 2002 is incomplete.
What forecasters said that day
The local office's own words before this severe thunderstorm 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, 7:43 PM CDT, 5 hours 31 minutes before
SPECIAL WEATHER STATEMENT NATIONAL WEATHER SERVICE WICHITA FALLS TX 745 PM CDT SAT MAY 13 1989 ...TORNADO WATCH IN EFFECT UNTIL 1AM CDT THIS SUNDAY MORNING FOR ARCHER ..BAYLOR..CLAY..JACK..KNOX AND YOUNG COUNTIES OF NORTH CENTRAL TEXAS... ...A SEVERE THUNDERSTORM WATCH IS IN EFFECT FOR WICHITA AND THE SURROUNDING COUNTIES UNTIL 10 PM CDT... AT 740 PM CDT THE WICHITA FALLS RADAR SHOWED SCTATTERED THUNDERSTORMS ACROSS JACK..YOUNG..SHAKELFORD..KNOX..KING AND DICKENS COUNTIES. THE STRONGEST THUNDERSTORMS WERE NEAR ABILENE AND SOUTH OF TRUSCOTT. MOVEMENT WAS NORTHEAST AT 10 MPH. THUNDERSTORMS WILL CONTINUE TO DEVELOP ACROSS THIS SECTION OF NORTH CENTRAL TEXAS FOR THE REST OF THIS AFTERNOON AND EVENING WITH BRIEF BUT HEAVY RAIN..GUSTY WINDS..HAIL AND DANGEROUS LIGHTNING. MONITER YOUR LOCAL MEDIA OR NOAA WEATHER RADIO FOR LATER STATEMENTS AND POSSIBLE WARNINGS.
Special weather statement, May 13, 8:40 PM CDT, 4 hours 34 minutes before
SPECIAL WEATHER STATEMENT NATIONAL WEATHER SERVICE WICHITA FALLS TX 840 PM CDT SAT MAY 13 1989 ...TORNADO WATCH IN EFFECT UNTIL 1AM CDT THIS SUNDAY MORNING FOR ARCHER ..BAYLOR..CLAY..JACK..KNOX AND YOUNG COUNTIES OF NORTH CENTRAL TEXAS... ...A SEVERE THUNDERSTORM WATCH IS IN EFFECT FOR WICHITA AND THE SURROUNDING COUNTIES UNTIL 10 PM CDT... AT 835 PM CDT THE WICHITA FALLS RADAR SHOWED SCTATTERED THUNDERSTORMS BETWEEN WICHITA FALLS AND ABILENE..EASTWARD TO STEPHENVILLE. THE STRONGEST THUNDERSTORMS WERE NEAR ABILENE. MOVEMENT WAS EAST AT 15 MPH. THUNDERSTORMS WILL CONTINUE TO DEVELOP ACROSS THIS SECTION OF NORTH CENTRAL TEXAS FOR THE REST OF THIS EVENING WITH BRIEF BUT HEAVY RAIN, ..GUSTY WINDS..HAIL AND DANGEROUS LIGHTNING. MONITER YOUR LOCAL MEDIA OR NOAA WEATHER RADIO FOR LATER STATEMENTS AND POSSIBLE WARNINGS.
Special weather statement, May 13, 9:45 PM CDT, 3 hours 29 minutes before
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SPECIAL WEATHER STATEMENT NATIONAL WEATHER SERVICE WICHITA FALLS TX 1042 PM CDT SAT MAY 13 1989 ...TORNADO WATCH HAS BEEN CANCELLED FOR ARCHER..BAYLOR..CLAY..JACK.. KNOX AND YOUNG COUNTIES OF NORTH CENTRAL TEXAS... AT 1040 PM CDT THE WICHITA FALLS RADAR SHOWED SCTATTERED THUNDERSTORMS BETWEEN ABILENE AND WACO AND BETWEEN OKLAHOMA CITY AND AMARILLO. MOVEMENT WAS SOUTHEAST AT 15 MPH. THUNDERSTORMS WILL CONTINUE TO DEVELOP ACROSS THIS SEC0TION OF NORTH CENTRAL TEXAS FOR THE REST OF THIS EVENING WITH BRIEF BUT HEAVY RAIN ..GUSTY WINDS..HAIL AND DANGEROUS LIGHTNING. MONITER YOUR LOCAL MEDIA OR NOAA WEATHER RADIO FOR LATER STATEMENTS AND POSSIBLE WARNINGS.
Special weather statement, May 13, 11:26 PM CDT, 1 hour 48 minutes before
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</head>
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</html>The office that day
Everything else NWS Norman, OK issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| May 13, 8:06 PM CDT | Severe Thunderstorm Warning | OUN | Choctaw | 54 min |
| May 13, 8:06 PM CDT | Severe Thunderstorm Warning | OUN | Choctaw | 34 min |
| May 13, 9:52 PM CDT | Severe Thunderstorm Warning | OUN | Caddo, Washita | 53 min |
| May 13, 10:41 PM CDT | Severe Thunderstorm Warning | OUN | Caddo, Washita | 49 min |
| May 13, 10:59 PM CDT | Tornado Warning | OUN | Washita | 31 min |
| May 13, 11:29 PM CDT | Severe Thunderstorm Warning | OUN | Caddo | 46 min |
| May 13, 11:42 PM CDT | Severe Thunderstorm Warning | OUN | Greer, Kiowa | 63 min |
| May 14, 12:10 AM CDT | Severe Thunderstorm Warning | OUN | Caddo | 65 min |
| May 14, 12:44 AM CDT | Severe Thunderstorm Warning | OUN | Kiowa | 46 min |
| May 14, 1:41 AM CDT | Severe Thunderstorm Warning | OUN | Grady | 64 min |
| May 14, 2:14 AM CDT | Severe Thunderstorm Warning | OUN | McClain | 31 min |
Nearby
Severe Thunderstorm Warnings in Oklahoma, 1989Every severe thunderstorm warning in 1989
Sources
The product and its follow-ups from the Iowa Environmental Mesonet's archive of National Weather Service and Storm Prediction Center text; verification from NCEI's Storm Data; the sounding from the Mesonet's radiosonde archive.