Alert archive / Oklahoma / Severe Thunderstorm Watches in 2002

Severe Thunderstorm Watch 307

May 16, 200238 counties in Oklahoma

The Storm Prediction Center issued this severe thunderstorm watch at May 16, 2002, 10:00 PM CDT for 38 counties in Oklahoma. It was in force for 6 hr.

The area

The outline as issued.

The facts

Issued
May 16, 2002, 10:00 PM CDT (03:00 UTC)
Expired
May 17, 2002, 4:00 AM CDT
In force
6 hr
Issued by
the Storm Prediction Center
All 38 counties

Alfalfa County, OK, Beckham County, OK, Blaine County, OK, Caddo County, OK, Canadian County, OK, Cleveland County, OK, Creek County, OK, Custer County, OK, Dewey County, OK, Ellis County, OK, Garfield County, OK, Grady County, OK, Grant County, OK, Greer County, OK, Harper County, OK, Hughes County, OK, Kay County, OK, Kingfisher County, OK, Kiowa County, OK, Lincoln County, OK, Logan County, OK, Major County, OK, McClain County, OK, Noble County, OK, Okfuskee County, OK, Oklahoma County, OK, Okmulgee County, OK, Osage County, OK, Pawnee County, OK, Payne County, OK, Pottawatomie County, OK, Roger Mills County, OK, Seminole County, OK, Tulsa County, OK, Washington County, OK, Washita County, OK, Woods County, OK, Woodward County, OK

The radar

The Vance AFB radar (KVNX), 87 km from the middle of the area, began a volume at 03:03 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.

Warnings issued inside it

43 tornado, severe thunderstorm and flash flood warnings for its counties while it was in force.

IssuedProductOfficeCountiesLasted
May 16, 10:19 PM CDTSevere Thunderstorm WarningOUNDewey41 min
May 16, 10:28 PM CDTTornado WarningOUNKingfisher32 min
May 16, 10:43 PM CDTSevere Thunderstorm WarningOUNLogan, Roger Mills47 min
May 16, 10:58 PM CDTSevere Thunderstorm WarningOUNBlaine, Kingfisher47 min
May 16, 11:03 PM CDTFlash Flood WarningTSAWashington3 hr
May 16, 11:12 PM CDTSevere Thunderstorm WarningTSAPawnee48 min
May 16, 11:20 PM CDTSevere Thunderstorm WarningTSAOsage40 min
May 16, 11:23 PM CDTFlash Flood WarningOUNLogan3 hr
May 16, 11:28 PM CDTSevere Thunderstorm WarningOUNCuster, Dewey, Roger Mills47 min
May 16, 11:31 PM CDTSevere Thunderstorm WarningOUNLogan44 min
May 16, 11:34 PM CDTSevere Thunderstorm WarningTSAWashington41 min
May 16, 11:37 PM CDTTornado WarningOUNCuster, Roger Mills38 min
May 16, 11:39 PM CDTSevere Thunderstorm WarningOUNEllis36 min
May 16, 11:43 PM CDTSevere Thunderstorm WarningTSACreek, Tulsa62 min
May 16, 11:44 PM CDTSevere Thunderstorm WarningOUNBlaine, Canadian, Kingfisher46 min
May 16, 11:45 PM CDTSevere Thunderstorm WarningOUNBeckham45 min
May 17, 12:11 AM CDTTornado WarningOUNCuster, Dewey34 min
May 17, 12:14 AM CDTSevere Thunderstorm WarningOUNMajor46 min
May 17, 12:26 AM CDTSevere Thunderstorm WarningTSATulsa49 min
May 17, 12:28 AM CDTSevere Thunderstorm WarningOUNBlaine, Caddo, Canadian47 min
May 17, 12:30 AM CDTSevere Thunderstorm WarningOUNBeckham45 min
May 17, 12:31 AM CDTSevere Thunderstorm WarningOUNCanadian, Kingfisher, Logan, Oklahoma44 min
May 17, 12:37 AM CDTSevere Thunderstorm WarningOUNAlfalfa38 min
May 17, 12:44 AM CDTSevere Thunderstorm WarningOUNGrant46 min
May 17, 12:44 AM CDTSevere Thunderstorm WarningTSACreek61 min
May 17, 1:04 AM CDTSevere Thunderstorm WarningTSAOkmulgee56 min
May 17, 1:10 AM CDTSevere Thunderstorm WarningTSARogers, Tulsa, Wagoner50 min
May 17, 1:11 AM CDTSevere Thunderstorm WarningOUNBlaine, Caddo, Canadian, Kingfisher, Logan, Oklahoma49 min
May 17, 1:16 AM CDTSevere Thunderstorm WarningOUNBeckham, Washita44 min
May 17, 1:18 AM CDTFlash Flood WarningTSACreek, Tulsa3 hr
May 17, 1:20 AM CDTFlash Flood WarningOUNKingfisher3 hr
May 17, 1:26 AM CDTSevere Thunderstorm WarningOUNGrady34 min
May 17, 1:49 AM CDTSevere Thunderstorm WarningOUNCanadian, Cleveland, Grady, McClain, Oklahoma71 min
May 17, 1:55 AM CDTSevere Thunderstorm WarningOUNLogan65 min
May 17, 1:58 AM CDTSevere Thunderstorm WarningTSATulsa, Wagoner47 min
May 17, 2:10 AM CDTSevere Thunderstorm WarningOUNBeckham35 min
May 17, 2:12 AM CDTSevere Thunderstorm WarningTSACreek63 min
May 17, 2:25 AM CDTSevere Thunderstorm WarningOUNLincoln, Pottawatomie65 min
May 17, 2:34 AM CDTFlash Flood WarningTSAOkmulgee2 hr
May 17, 3:06 AM CDTSevere Thunderstorm WarningOUNSeminole39 min
May 17, 3:12 AM CDTSevere Thunderstorm WarningTSACreek, Okfuskee63 min
May 17, 3:15 AM CDTFlash Flood WarningTSACherokee, Creek, Delaware, Mayes, Muskogee, Okmulgee and 2 more3 hr
May 17, 3:37 AM CDTSevere Thunderstorm WarningTSAOkmulgee53 min

The nearest sounding before it

Norman, OK (KOUN), launched 00:00Z, 3.0 hours before the alert went out and 103 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 2002-05-17Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 3039 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 2002-05-17The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 49 square meters per square second.1939587897Sfc1 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
3039 J/kg
Mixed-layer CIN
-18 J/kg
Mixed-layer LCL
1088 m above ground
0-6 km bulk shear
33 kt
0-1 km storm-relative helicity
49 m²/s²
0-3 km storm-relative helicity
159 m²/s²
Significant tornado parameter
1.0
Supercell composite
5.4

Open this sounding in Storm Lab

SPC that day

Everything else SPC issued on the same UTC day.

IssuedProductOfficeCountiesLasted
May 17, 2:00 AM CDTSevere Thunderstorm WatchSPCAdair, Cherokee, Delaware, Haskell, McIntosh, Mayes and 4 more5 hr
May 17, 2:30 AM CDTSevere Thunderstorm WatchSPCAdair, Atoka, Blaine, Caddo, Canadian, Carter and 36 more5 hr
May 17, 5:00 AM CDTSevere Thunderstorm WatchSPCBryan, Love5 hr

Nearby

Severe Thunderstorm Watches in Oklahoma, 2002Every severe thunderstorm watch in 2002

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.