Alert archive / Oklahoma / Tornado Warnings in 1995

Tornado Warning 4, NWS Tulsa, OK

April 17, 1995McIntosh County, Oklahoma

NWS Tulsa, OK issued this tornado warning at Apr 17, 1995, 10:09 PM CDT for McIntosh County, Oklahoma. It was in force for 36 min.

The area

The counties it named.

The facts

Issued
Apr 17, 1995, 10:09 PM CDT (03:09 UTC)
Expired
Apr 17, 1995, 10:45 PM CDT
In force
36 min
Issued by
NWS Tulsa, OK
Area
Whole counties

County McIntosh County, OK

The radar

The Tulsa radar (KINX), 90 km from the middle of the area, began a volume at 03:10 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.

The nearest sounding before it

Norman, OK (KOUN), launched 00:00Z, 3.2 hours before the alert went out and 158 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.

Skew-T log-pSkew-T log-p diagram, Norman, OK at 00:00Z on 1995-04-18Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 1006 joules per kilogram.LCLLFCEL10008507005003002001001 km2 km3 km6 km9 km12 km15 km-30°-20°-10°0°10°20°30°40°
Temperature in red, dew point in green, the mixed-layer parcel dashed.
HodographHodograph, Norman, OK at 00:00Z on 1995-04-18The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 182 square meters per square second.1939587897117Sfc1 km3 km6 km9 kmRMLM
The wind turning with height, colored by layer: ground to 1 km, 1 to 3 km, 3 to 6 km, 6 to 10 km.
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

Open this sounding in Storm Lab

The text

As transmitted, in the capitals the NWS used until 2016.

000 
TTAA00 KTUL 180311
TORTUL
OKC091-180345-
 
BULLETIN - EBS ACTIVATION REQUESTED
TORNADO WARNING
NATIONAL WEATHER SERVICE TULSA OK
1009 PM CDT MON APR 17 1995
 
THE NATIONAL WEATHER SERVICE IN TULSA HAS ISSUED A
TORNADO WARNING EF

The office that day

Everything else NWS Tulsa, OK issued on the same UTC day.

IssuedProductOfficeCountiesLasted
Apr 17, 7:05 PM CDTSevere Thunderstorm WarningTSAPawnee40 min
Apr 17, 9:30 PM CDTSevere Thunderstorm WarningTSAOkfuskee45 min
Apr 17, 9:39 PM CDTSevere Thunderstorm WarningTSAOkmulgee51 min
Apr 17, 9:47 PM CDTSevere Thunderstorm WarningTSACreek, Osage, Tulsa43 min
Apr 17, 9:51 PM CDTTornado WarningTSAOkfuskee, Okmulgee39 min
Apr 17, 10:06 PM CDTSevere Thunderstorm WarningTSAOkfuskee39 min
Apr 17, 10:15 PM CDTSevere Thunderstorm WarningTSAWashington30 min
Apr 17, 10:24 PM CDTTornado WarningTSAMuskogee36 min
Apr 17, 10:32 PM CDTSevere Thunderstorm WarningTSANowata, Rogers, Tulsa43 min
Apr 17, 10:32 PM CDTSevere Thunderstorm WarningTSAOkmulgee43 min
Apr 17, 10:32 PM CDTSevere Thunderstorm WarningTSAOsage43 min
Apr 17, 10:48 PM CDTSevere Thunderstorm WarningTSAMcIntosh, Muskogee57 min
Apr 17, 10:51 PM CDTFlash Flood WarningTSACreek, Osage, Pawnee3 hr
Apr 17, 10:56 PM CDTTornado WarningTSAMuskogee, Wagoner49 min
Apr 17, 11:04 PM CDTFlash Flood WarningTSAMuskogee, Okmulgee3 hr
Apr 17, 11:14 PM CDTSevere Thunderstorm WarningTSANowata, Rogers46 min
Apr 17, 11:20 PM CDTTornado WarningTSACherokee40 min
Apr 17, 11:25 PM CDTSevere Thunderstorm WarningTSACraig, Delaware, Mayes50 min
Apr 17, 11:25 PM CDTSevere Thunderstorm WarningTSAOttawa50 min
Apr 17, 11:30 PM CDTSevere Thunderstorm WarningTSALeFlore, Sequoyah45 min
Apr 17, 11:30 PM CDTSevere Thunderstorm WarningTSAAdair45 min
Apr 17, 11:53 PM CDTTornado WarningTSACherokee, Delaware37 min
Apr 18, 12:00 AM CDTTornado WarningTSAAdair30 min

Nearby

Tornado Warnings in Oklahoma, 1995Every tornado warning in 1995Tornadoes 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; the sounding from the Mesonet's radiosonde archive; radar from the NEXRAD Level II archive.