Alert archive / Oklahoma / Severe Thunderstorm Warnings in 1990
Severe Thunderstorm Warning 113, NWS Tulsa, OK
NWS Tulsa, OK issued this severe thunderstorm warning at May 19, 1990, 5:16 PM CDT for Mayes County, Oklahoma. It was in force for 59 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
- May 19, 1990, 5:16 PM CDT (22:16 UTC)
- Expired
- May 19, 1990, 6:15 PM CDT
- In force
- 59 min
- Issued by
- NWS Tulsa, OK
- Area
- Whole counties
County Mayes 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 19, 5:35 PM CDT | Thunderstorm Wind 61 | Mayes, OK | |
| May 19, 5:50 PM CDT | Hail 0.75 | Mayes, OK | |
| May 19, 5:55 PM CDT | Thunderstorm Wind 65 | Mayes, OK | |
| May 19, 6:20 PM CDT | Hail 0.88 | Mayes, 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, 10.3 hours before the alert went out and 144 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
- 153 J/kg
- Mixed-layer CIN
- -326 J/kg
- Mixed-layer LCL
- 814 m above ground
- 0-6 km bulk shear
- 32 kt
- 0-1 km storm-relative helicity
- 507 m²/s²
- 0-3 km storm-relative helicity
- 651 m²/s²
- Significant tornado parameter
- 0.0
- Supercell composite
- 7.2
The text
As transmitted, in the capitals the NWS used until 2016.
000 TTAA00 KTUL 192217 SVRTUL OKC097-192315- BULLETIN - IMMEDIATE BROADCAST REQUESTED SEVERE THUNDERSTORM WARNING NATIONAL WEATHER SERVICE TULSA OK 516 PM CDT SAT MAY 19 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 MAYES COUNTY AT 5 13 PM RADAR INDICATED A SEVERE THUNDERSTORM 5 MILES SOUTHEAST OF ADAIR AND WAS NEARLY STATIONARY. 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. 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. KEEP TUNED TO THIS STATION FOR THE LATEST WEATHER BULLETINS.
The office that day
Everything else NWS Tulsa, OK issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| May 19, 2:32 AM CDT | Severe Thunderstorm Warning | TSA | Pittsburg | 43 min |
| May 19, 1:26 PM CDT | Severe Thunderstorm Warning | TSA | Osage | 64 min |
| May 19, 2:54 PM CDT | Severe Thunderstorm Warning | TSA | Osage | 66 min |
| May 19, 3:59 PM CDT | Severe Thunderstorm Warning | TSA | Osage | 61 min |
| May 19, 4:12 PM CDT | Severe Thunderstorm Warning | TSA | Tulsa | 48 min |
| May 19, 4:16 PM CDT | Flash Flood Warning | TSA | Osage | 3 hr |
| May 19, 4:24 PM CDT | Severe Thunderstorm Warning | TSA | Delaware, Mayes | 51 min |
| May 19, 4:30 PM CDT | Severe Thunderstorm Warning | TSA | Creek, Tulsa | 45 min |
| May 19, 5:02 PM CDT | Severe Thunderstorm Warning | TSA | Osage, Tulsa | 58 min |
| May 19, 5:26 PM CDT | Severe Thunderstorm Warning | TSA | Creek | 64 min |
| May 19, 5:38 PM CDT | Severe Thunderstorm Warning | TSA | Delaware | 67 min |
| May 19, 5:46 PM CDT | Severe Thunderstorm Warning | TSA | Wagoner | 59 min |
| May 19, 6:28 PM CDT | Severe Thunderstorm Warning | TSA | Muskogee, Okmulgee | 62 min |
| May 19, 6:34 PM CDT | Severe Thunderstorm Warning | TSA | Mayes | 56 min |
| May 19, 6:36 PM CDT | Severe Thunderstorm Warning | TSA | Creek | 54 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.