Alert archive / Oklahoma / Tornado Warnings in 1990
Tornado Warning 9, NWS Tulsa, OK
NWS Tulsa, OK issued this tornado warning at Jun 21, 1990, 3:55 PM CDT for Craig County, Oklahoma. It was in force for 50 min. 2 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
- Jun 21, 1990, 3:55 PM CDT (20:55 UTC)
- Expired
- Jun 21, 1990, 4:45 PM CDT
- In force
- 50 min
- Issued by
- NWS Tulsa, OK
- Area
- Whole counties
County Craig 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, 4:28 PM CDT | Tornado F1 | Craig, OK | |
| Jun 21, 4:50 PM CDT | Hail 0.75 | Craig, 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, 8.9 hours before the alert went out and 126 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 212054 TORTUL OKC035-212145- BULLETIN - EBS ACTIVATION REQUESTED TORNADO WARNING NATIONAL WEATHER SERVICE TULSA OK 355 PM CDT THU JUN 21 1990 THE NATIONAL WEATHER SERVICE IN TULSA HAS ISSUED A TORNADO WARNING EFFECTIVE UNTIL 445 PM CDT FOR PEOPLE IN THE FOLLOWING COUNTIES ... IN NORTHEAST OKLAHOMA ...NORTHERN CRAIG COUNTY AT 3 52 PM THE TULSA WEATHER RADAR AND SPOTTERS INDICATED A TORNADO 6 MILES NORTHEAST OF CHILDERS MOVING TO THE EAST NORTHEAST AT 20 MPH. THIS TORNADO WILL PASS NEAR BLUEJACKET AND WELCH WITHIN THE NEXT 45 MINUTES GIVEN ITS PRESENT MOVEMENT. THIS IS A DANGEROUS STORM SITUATION. ACT QUICKLY. IF YOU ARE IN THE PATH OF THIS TORNADO MOVE TO A SHELTER BELOW GROUND IF ACVAILABLE. OTHERWISE...GO TO A SMALL INTERIOR ROOM ON THE LOWEST FLOOR POSSIBLE. STAY AWAY FROM OUTSIDE WALLS AND AVOID WINDOWS. ABANDON CARS AND MOBILE HOMES FOR A REINFORCED BUILDING OR GET IN A GROUND DEPRESSION.
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, 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, 5:22 PM CDT | Severe Thunderstorm Warning | TSA | Rogers | 53 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
Tornado Warnings in Oklahoma, 1990Every tornado warning in 1990Tornadoes 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.