Alert archive / Oklahoma / Severe Thunderstorm Warnings in 1990
Severe Thunderstorm Warning 2, NWS Tulsa, OK
NWS Tulsa, OK issued this severe thunderstorm warning at Mar 13, 1990, 7:15 PM CST for Creek County, Okfuskee County, Oklahoma. It was in force for 60 min. 4 reports 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
- Mar 13, 1990, 7:15 PM CST (01:15 UTC)
- Expired
- Mar 13, 1990, 8:15 PM CST
- In force
- 60 min
- Issued by
- NWS Tulsa, OK
- Area
- Whole counties
Counties Creek County, OK, Okfuskee 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 |
|---|---|---|---|
| Mar 13, 7:30 PM CST | Hail 1.75 | Okfuskee, OK | |
| Mar 13, 7:49 PM CST | Hail 0.75 | Okfuskee, OK | |
| Mar 13, 8:10 PM CST | Tornado F2 | Creek, OK | |
| Mar 13, 8:20 PM CST | Hail 0.75 | Okfuskee, 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, 1.3 hours before the alert went out and 108 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
- 1624 J/kg
- Mixed-layer CIN
- -9 J/kg
- Mixed-layer LCL
- 695 m above ground
- 0-6 km bulk shear
- 39 kt
- 0-1 km storm-relative helicity
- 115 m²/s²
- 0-3 km storm-relative helicity
- 128 m²/s²
- Significant tornado parameter
- 0.8
- Supercell composite
- 4.7
The text
As transmitted, in the capitals the NWS used until 2016.
000
TTAA00 KTUL 140116
SVRTUL
OKC107-037-140215-
BULLETIN - IMMEDIATE BROADCAST REQUESTED
SEVERE THUNDERSTORM WARNING
NATIONAL WEATHER SERVICE TULSA OK
715 PM CST TUE MAR 13 1990
THE NATIONAL WEATHER SERVICE IN TULSA HAS ISSUED A
SEVERE THUNDERSTORM WARNING EFFECTIVE UNTIL 815 PM CST
FOR PEOPLE IN THE FOLLOWING COUNTIES ...
IN EAST CENTRAL OKLAHOMA
...OKFUSKEE COUNTY
IN NORTHEAST OKLAHOMA
...SOUTHERN CREEK COUNTY
AT 712 PM A LARGE SEVERE THUNDERSTORM WAS IN SOUTHEAST LINCOLN COUNTY
MOVING TO THE NORTHEAST AT 25 MILES AN HOUR. PEOPLE IN PADEN, WELTY,
AND BOLEY WILL BE AFFECTED BY THIS STORM
.
SEVERE THUNDERSTORMS PRODUCE DAMAGING WIND IN EXCESS OF 60 MPH...
LARGE HAIL...DEADLY LIGHTNING{ AND VERY HEAVY RAIN. FOR YOUR
PROTECTION MOVE TO AN INTERIOR ROOM ON THE LOWEST FLOOR OF YOUR
HOME OR BUSINESS.The office that day
Everything else NWS Tulsa, OK issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Mar 13, 8:05 PM CST | Tornado Warning | TSA | Creek, Okmulgee | 40 min |
| Mar 13, 8:17 PM CST | Severe Thunderstorm Warning | TSA | Okfuskee | 58 min |
| Mar 13, 8:28 PM CST | Severe Thunderstorm Warning | TSA | Tulsa | 62 min |
| Mar 13, 8:45 PM CST | Severe Thunderstorm Warning | TSA | Okmulgee, Wagoner | 60 min |
| Mar 13, 8:55 PM CST | Severe Thunderstorm Warning | TSA | Rogers | 65 min |
| Mar 13, 9:30 PM CST | Severe Thunderstorm Warning | TSA | Tulsa | 45 min |
| Mar 13, 11:25 PM CST | Severe Thunderstorm Warning | TSA | Mayes | 65 min |
| Mar 13, 11:55 PM CST | Severe Thunderstorm Warning | TSA | Delaware, Ottawa | 65 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.