Alert archive / Oklahoma / Severe Thunderstorm Warnings in 2002

Severe Thunderstorm Warning 178, NWS Tulsa, OK

May 17, 2002Haskell County, Muskogee County, Pittsburg County, Oklahoma

NWS Tulsa, OK issued this severe thunderstorm warning at May 17, 2002, 4:39 AM CDT for Haskell County, Muskogee County, Pittsburg County, Oklahoma. It was in force for 51 min. 4 reports came from inside the area while it was in force.

The area

The outline as issued, with what was reported inside it.

The facts

Issued
May 17, 2002, 4:39 AM CDT (09:39 UTC)
Expired
May 17, 2002, 5:30 AM CDT
In force
51 min
Issued by
NWS Tulsa, OK
Area
Counties, with a storm outline in the text

Counties Haskell County, OK, Muskogee County, OK, Pittsburg County, OK

The radar

The Western Arkansas radar (KSRX), 79 km from the middle of the area, began a volume at 09:41 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

TimeReportWhereRemark
May 17, 4:45 AM CDTHail 0.75Porum, OK
May 17, 4:45 AM CDTThunderstorm Wind 52 EPorum, OK
May 17, 5:00 AM CDTThunderstorm Wind 52 EStigler, OK
May 17, 5:00 AM CDTHail 0.88Quinton, 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.

The watch it was issued in

The SPC watch in force over the same counties when this warning went out.

IssuedProductOfficeLasted
May 17, 2:00 AM CDTSevere Thunderstorm WatchSPC5 hr
May 17, 2:30 AM CDTSevere Thunderstorm WatchSPC5 hr

The nearest sounding before it

Norman, OK (KOUN), launched 00:00Z, 9.7 hours before the alert went out and 197 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

The text

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

000 
WUUS54 KTSA 170939
SVRTUL
OKC061-101-121-171030-

BULLETIN - EAS ACTIVATION REQUESTED
SEVERE THUNDERSTORM WARNING
NATIONAL WEATHER SERVICE TULSA OK
439 AM CDT FRI MAY 17 2002

THE NATIONAL WEATHER SERVICE IN TULSA HAS ISSUED A

* SEVERE THUNDERSTORM WARNING FOR...
  SOUTHERN MUSKOGEE COUNTY IN EAST CENTRAL OKLAHOMA
  HASKELL COUNTY IN SOUTHEAST OKLAHOMA
  NORTHEASTERN PITTSBURG COUNTY IN SOUTHEAST OKLAHOMA

* UNTIL 530 AM CDT

* AT 439 AM CDT...DOPPLER RADAR INDICATED SEVERE THUNDERSTORMS ALONG
  A LINE EXTENDING FROM 6 MILES SOUTHWEST OF WARNER TO 15 MILES WEST
  OF QUINTON...MOVING EAST AT 40 MPH.

* SOME LOCATIONS NEAR THE PATH OF THESE STORMS INCLUDE...STIGLER...
  LEQUIRE...KINTA...MC CURTAIN...ENTERPRISE...WHITEFIELD...TAMAHA...
  QUINTON...BRIARTOWN...PORUM AND WARNER.

HAIL TO THE SIZE OF QUARTERS AND WIND GUSTS TO 60 MPH CAN BE EXPECTED 
IN THE WARNED AREA. STAY INDOORS AND AWAY FROM WINDOWS UNTIL THE 
STORM HAS PASSED.

LAT...LON 3554 9535 3512 9555 3505 9495 3542 9496

The office that day

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

IssuedProductOfficeCountiesLasted
May 16, 8:50 PM CDTSevere Thunderstorm WarningTSAChoctaw, Pushmataha55 min
May 16, 9:50 PM CDTSevere Thunderstorm WarningTSAPawnee55 min
May 16, 9:55 PM CDTFlash Flood WarningTSAOsage, Pawnee2 hr
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, 11:34 PM CDTSevere Thunderstorm WarningTSAWashington41 min
May 16, 11:43 PM CDTSevere Thunderstorm WarningTSACreek, Tulsa62 min
May 17, 12:26 AM CDTSevere Thunderstorm WarningTSATulsa49 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, 1:18 AM CDTFlash Flood WarningTSACreek, Tulsa3 hr
May 17, 1:49 AM CDTSevere Thunderstorm WarningTSACherokee41 min
May 17, 1:58 AM CDTSevere Thunderstorm WarningTSATulsa, Wagoner47 min
May 17, 2:12 AM CDTSevere Thunderstorm WarningTSACreek63 min
May 17, 2:21 AM CDTFlash Flood WarningTSAWagoner3 hr
May 17, 2:34 AM CDTFlash Flood WarningTSAOkmulgee2 hr
May 17, 2:38 AM CDTSevere Thunderstorm WarningTSAMuskogee, Wagoner67 min
May 17, 3:03 AM CDTSevere Thunderstorm WarningTSACherokee57 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
May 17, 4:05 AM CDTSevere Thunderstorm WarningTSAMcIntosh40 min
May 17, 5:01 AM CDTSevere Thunderstorm WarningTSASequoyah44 min
May 17, 5:05 AM CDTSevere Thunderstorm WarningTSALatimer40 min
May 17, 5:17 AM CDTSevere Thunderstorm WarningTSAPushmataha43 min
May 17, 5:23 AM CDTSevere Thunderstorm WarningTSALeFlore52 min
May 17, 5:41 AM CDTSevere Thunderstorm WarningTSASequoyah49 min
May 17, 6:10 AM CDTFlash Flood WarningTSACherokee, Creek, Delaware, Mayes, Muskogee, Okmulgee and 2 more6 hr

Nearby

Severe Thunderstorm Warnings in Oklahoma, 2002Every severe thunderstorm warning 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; verification from NCEI's Storm Data; the sounding from the Mesonet's radiosonde archive; radar from the NEXRAD Level II archive.