Alert archive / Oklahoma / Severe Thunderstorm Warnings in 1995
Severe Thunderstorm Warning 48, NWS Tulsa, OK
NWS Tulsa, OK issued this severe thunderstorm warning at Apr 17, 1995, 9:39 PM CDT for Okmulgee County, Oklahoma. It was in force for 51 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
- Apr 17, 1995, 9:39 PM CDT (02:39 UTC)
- Expired
- Apr 17, 1995, 10:30 PM CDT
- In force
- 51 min
- Issued by
- NWS Tulsa, OK
- Area
- Whole counties
County Okmulgee County, OK
The radar
The Tulsa radar (KINX), 69 km from the middle of the area, began a volume at 02:40 UTC, the scan nearest the moment this went out.
Open the radar archive at this moment
The archived warnings, watches and discussions in force at that minute are drawn over the scan, this one among them.
What was reported inside it
| Time | Report | Where | Remark |
|---|---|---|---|
| Apr 17, 10:19 PM CDT | Tornado F0 | Hoffman, 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, 2.7 hours before the alert went out and 138 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
- 1006 J/kg
- Mixed-layer CIN
- -5 J/kg
- Mixed-layer LCL
- 605 m above ground
- 0-6 km bulk shear
- 86 kt
- 0-1 km storm-relative helicity
- 182 m²/s²
- 0-3 km storm-relative helicity
- 77 m²/s²
- Significant tornado parameter
- 0.4
- Supercell composite
- 2.3
The text
As transmitted, in the capitals the NWS used until 2016.
000 TTAA00 KTUL 180241 SVRTUL OKC111-180330- BULLETIN - IMMEDIATE BROADCAST REQUESTED SEVERE THUNDERSTORM WARNING NATIONAL WEATHER SERVICE TULSA OK 939 PM CDT MON APR 17 1995 THE NATIONAL WEATHER SERVICE IN TULSA HAS ISSUED A SEVERE THUNDERSTORM WARNING EFFECTIVE UNTIL 1030 PM CDT FOR PEOPLE IN THE FOLLOWING LOCATION... IN NORTHEAST OKLAHOMA ...OKMULGEE COUNTY AT 938 PM EDT WEATHER RADAR INDICATED A SEVERE THUNDERSTORM LOCATED OVER WELEETKA MOVING TO THE NORTHEAST AT 35 MILES AN HOUR. HENRYETTA AND SCHULTER ARE IN THE PATH OF THIS STORM. HAIL TO THE SIZE OF DIMES AND WIND GUSTS TO 60 MPH CAN BE EXPECTED IN THE WARNED AREA. 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.
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.
NWS Tulsa, OK wrote its last area forecast discussion before this severe thunderstorm warning went out at Apr 17, 9:04 PM CDT, 35 minutes earlier.
Area forecast discussion, Apr 17, 9:04 PM CDT, 35 minutes before
EASTERN OKLAHOMA/NORTHWEST ARKANSAS FORECAST DISCUSSION NATIONAL WEATHER SERVICE TULSA OK 900 PM CDT MON APR 17 1995 00Z RAOBS CONT TO INDCT A VERY UNSTABLE AMS OVR EOK/NWAR THIS EVE JUST WAITING FOR THE LFTG MECH TO ARRIVE. ACTVTY STARTING TO BCM MORE ORGANIZED WEST OF EOK AND XPCT A SQLN TO DVLP AND SWEEP THRU AREA OVRNGT. TIMING HAS BEEN A BIT SLOER THAN XPCTD...SO WL NOT TRY TO BE AS FINE ON TSTMS ENDING BY A CERTAIN TIME. STILL XCPT SQLN T:O BE OUT OF FA BFR DABRK THO. AM A BIT WORRIED ABT PSBL FL FLDG AS FF GUIDNC RATHER LO. HWVR..BLV SQLN WL MOV FAST ENUF TO AVOID A PROLONGED PD OF HVY RAINFALL. ..11.. .TUL...NONE.
The office that day
Everything else NWS Tulsa, OK issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Apr 17, 7:05 PM CDT | Severe Thunderstorm Warning | TSA | Pawnee | 40 min |
| Apr 17, 9:30 PM CDT | Severe Thunderstorm Warning | TSA | Okfuskee | 45 min |
| Apr 17, 9:47 PM CDT | Severe Thunderstorm Warning | TSA | Creek, Osage, Tulsa | 43 min |
| Apr 17, 9:51 PM CDT | Tornado Warning | TSA | Okfuskee, Okmulgee | 39 min |
| Apr 17, 10:06 PM CDT | Severe Thunderstorm Warning | TSA | Okfuskee | 39 min |
| Apr 17, 10:09 PM CDT | Tornado Warning | TSA | McIntosh | 36 min |
| Apr 17, 10:15 PM CDT | Severe Thunderstorm Warning | TSA | Washington | 30 min |
| Apr 17, 10:24 PM CDT | Tornado Warning | TSA | Muskogee | 36 min |
| Apr 17, 10:32 PM CDT | Severe Thunderstorm Warning | TSA | Nowata, Rogers, Tulsa | 43 min |
| Apr 17, 10:32 PM CDT | Severe Thunderstorm Warning | TSA | Okmulgee | 43 min |
| Apr 17, 10:32 PM CDT | Severe Thunderstorm Warning | TSA | Osage | 43 min |
| Apr 17, 10:48 PM CDT | Severe Thunderstorm Warning | TSA | McIntosh, Muskogee | 57 min |
| Apr 17, 10:51 PM CDT | Flash Flood Warning | TSA | Creek, Osage, Pawnee | 3 hr |
| Apr 17, 10:56 PM CDT | Tornado Warning | TSA | Muskogee, Wagoner | 49 min |
| Apr 17, 11:04 PM CDT | Flash Flood Warning | TSA | Muskogee, Okmulgee | 3 hr |
| Apr 17, 11:14 PM CDT | Severe Thunderstorm Warning | TSA | Nowata, Rogers | 46 min |
| Apr 17, 11:20 PM CDT | Tornado Warning | TSA | Cherokee | 40 min |
| Apr 17, 11:25 PM CDT | Severe Thunderstorm Warning | TSA | Craig, Delaware, Mayes | 50 min |
| Apr 17, 11:25 PM CDT | Severe Thunderstorm Warning | TSA | Ottawa | 50 min |
| Apr 17, 11:30 PM CDT | Severe Thunderstorm Warning | TSA | LeFlore, Sequoyah | 45 min |
| Apr 17, 11:30 PM CDT | Severe Thunderstorm Warning | TSA | Adair | 45 min |
| Apr 17, 11:53 PM CDT | Tornado Warning | TSA | Cherokee, Delaware | 37 min |
| Apr 18, 12:00 AM CDT | Tornado Warning | TSA | Adair | 30 min |
Nearby
Severe Thunderstorm Warnings in Oklahoma, 1995Every severe thunderstorm warning in 1995
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; radar from the NEXRAD Level II archive.