Alert archive / Oklahoma / Severe Thunderstorm Warnings in 1990
Severe Thunderstorm Warning 188, NWS Tulsa, OK
NWS Tulsa, OK issued this severe thunderstorm warning at Jun 21, 1990, 5:22 PM CDT for Rogers County, Oklahoma. It was in force for 53 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
- Jun 21, 1990, 5:22 PM CDT (22:22 UTC)
- Expired
- Jun 21, 1990, 6:15 PM CDT
- In force
- 53 min
- Issued by
- NWS Tulsa, OK
- Area
- Whole counties
County Rogers 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 |
|---|---|---|---|
| Jun 21, 5:30 PM CDT | Hail 1 | Rogers, 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
Springfield, MO (KUMN), launched 12:00Z, 10.4 hours before the alert went out and 171 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
- 0 J/kg
- Mixed-layer CIN
- No buoyant parcel
- Mixed-layer LCL
- 2230 m above ground
- 0-6 km bulk shear
- 30 kt
- 0-1 km storm-relative helicity
- -3 m²/s²
- 0-3 km storm-relative helicity
- 41 m²/s²
- Significant tornado parameter
- 0.0
- Supercell composite
- -0.1
The text
As transmitted, in the capitals the NWS used until 2016.
000 TTAA00 KTUL 212221 SVRTUL OKC131-212315- BULLETIN - IMMEDIATE BROADCAST REQUESTED SEVERE THUNDERSTORM WARNING NATIONAL WEATHER SERVICE TULSA OK 522 PM CDT THU JUN 21 1990 THE NATIONAL WEATHER SERVICE IN TULSA HAS ISSUED A SEVERE THUNDERSTORM WARNING EFFECTIVE UNTIL 615 PM CDT FOR PEOPLE IN THE FOLLOWING COUNTIES ... IN NORTHEAST OKLAHOMA ...NORTHERN ROGERS COUNTY AT 520 PM RADAR INDICATED A SEVERE THUNDERSTORM LOCATED 2 MILES NORTHWEST OF OOLOGAH MOVINGTO THE EAST AT 20 MILES AN HOUR. A TORNADO WATCH IS ALSO IN EFFECT FOR THE WARNED AREA. REMEMBER... SEVERE THUNDERSTORMS CAN AND OCCASIONALLY DO PRODUCE TORNADOES WITH LITTLE OR NO ADVANCE WARNING. REMAIN CALM BUT BE ALERT TO RAPIDLY CHANGING WEATHER CONDITIONS.
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, Jun 21, 2:29 PM CDT, 2 hours 53 minutes before
OKC105-113-117-143-147-212030- SPECIAL WEATHER STATEMENT NATIONAL WEATHER SERVICE TULSA OK 229 PM CDT THU JUN 21 1990 ...THUNDERSTORMS DEVELOPING RAPIDLY IN NORTHERN OKLAHOMA... AT 220 PM RADAR INDICATED SCATTERED THUNDERSTORMS...SOME WITH VERY HEAVY RAIN...DEVELOPING RAPIDLY IN NORTH-CENTRAL AND NORTHEAST OKLAHOMA. THE STRONGEST STORMS WERE LOCATED JUST NORTHEAST OF PONCA CITY IN KAY COUNTY...JUST NORTHEAST OF BARNSDALL IN OSAGE COUNTY...AND ABOUT 15 MILES NORTH OF NOWATA IN NOWATA COUNTY. MOVEMENT WAS TOWARD THE EAST NORTHEAST AT ABOUT 20 MILES AN HOUR. THUNDERSTORMS SHOULD CONTINUE TO DEVELOP THIS AFTERNOON ACROSS NORTHEASTERN OKLAHOMA. PEOPLE IN THE PATHS OF THESE STORMS CAN 1EXPECT BRIEF HEAVY RAINFALL...STRONG WINDS...AND POSSIBLY SMALL HAIL. RESIDENTS OF NORTHEASTERN OKLAHOMA SHOULD KEEP ALERT FOR THE POSSIBLILITY OF SEVERE WEATHER DEVELOPMENT THE REST OF THIS AFTERNOON AND TONIGHT.
Local storm report, Jun 21, 3:24 PM CDT, 1 hour 58 minutes before
STORM REPORT
NATIONAL WEATHER SERVICE TULSA OK
325 PM CDT THU JUN 21 1990
TIME/CDT COUNTY EVENT
303 PM OSAGE LARGER THAN GOLFBALL SIZE HAIL JUST SOUTHWEST
OF BARTLESVILLE. REPORTED BY BARTLESVILLE EOC.The office that day
Everything else NWS Tulsa, OK issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Jun 21, 2:40 PM CDT | Severe Thunderstorm Warning | TSA | Osage, Washington | 50 min |
| Jun 21, 3:13 PM CDT | Severe Thunderstorm Warning | TSA | Nowata, Rogers | 47 min |
| Jun 21, 3:32 PM CDT | Severe Thunderstorm Warning | TSA | Osage | 43 min |
| Jun 21, 3:55 PM CDT | Tornado Warning | TSA | Craig | 50 min |
| Jun 21, 4:07 PM CDT | Severe Thunderstorm Warning | TSA | Craig, Rogers | 53 min |
| Jun 21, 4:57 PM CDT | Severe Thunderstorm Warning | TSA | Craig, Mayes | 48 min |
| Jun 21, 5:50 PM CDT | Flash Flood Warning | TSA | Craig, Rogers | 3 hr |
| Jun 21, 6:14 PM CDT | Severe Thunderstorm Warning | TSA | Osage | 46 min |
| Jun 21, 6:28 PM CDT | Tornado Warning | TSA | Osage | 47 min |
| Jun 21, 6:35 PM CDT | Severe Thunderstorm Warning | TSA | Adair | 40 min |
Nearby
Severe Thunderstorm Warnings in Oklahoma, 1990Every severe thunderstorm warning in 1990
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.