Alert archive / Oklahoma / Severe Thunderstorm Watches in 2001

Severe Thunderstorm Watch 302

May 27, 20019 counties in Kansas; 42 counties in Oklahoma

The Storm Prediction Center issued this severe thunderstorm watch at May 27, 2001, 5:45 PM CDT for 9 counties in Kansas; 42 counties in Oklahoma. It was in force for 5 hr.

The area

The outline as issued.

The facts

Issued
May 27, 2001, 5:45 PM CDT (22:45 UTC)
Expired
May 27, 2001, 11:00 PM CDT
In force
5 hr
Issued by
the Storm Prediction Center
All 51 counties

Barber County, KS, Cowley County, KS, Harper County, KS, Kingman County, KS, Pratt County, KS, Reno County, KS, Sedgwick County, KS, Stafford County, KS, Sumner County, KS, Adair County, OK, Alfalfa County, OK, Blaine County, OK, Canadian County, OK, Cherokee County, OK, Cleveland County, OK, Coal County, OK, Creek County, OK, Delaware County, OK, Garfield County, OK, Grant County, OK, Haskell County, OK, Hughes County, OK, Kay County, OK, Kingfisher County, OK, Latimer County, OK, LeFlore County, OK, Lincoln County, OK, Logan County, OK, Major County, OK, Mayes County, OK, McCurtain County, OK, McIntosh County, OK, Muskogee County, OK, Noble County, OK, Nowata County, OK, Okfuskee County, OK, Oklahoma County, OK, Okmulgee County, OK, Osage County, OK, Pawnee County, OK, Payne County, OK, Pittsburg County, OK, Pottawatomie County, OK, Pushmataha County, OK, Rogers County, OK, Seminole County, OK, Sequoyah County, OK, Tulsa County, OK, Wagoner County, OK, Washington County, OK, Woods County, OK

Warnings issued inside it

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

IssuedProductOfficeCountiesLasted
May 27, 5:54 PM CDTSevere Thunderstorm WarningTSACreek66 min
May 27, 5:59 PM CDTSevere Thunderstorm WarningOUNAlfalfa, Woods46 min
May 27, 6:08 PM CDTSevere Thunderstorm WarningDDCPratt67 min
May 27, 6:10 PM CDTSevere Thunderstorm WarningICTCowley65 min
May 27, 6:21 PM CDTTornado WarningICTKingman54 min
May 27, 6:33 PM CDTSevere Thunderstorm WarningTSAOkmulgee57 min
May 27, 6:36 PM CDTSevere Thunderstorm WarningDDCBarber39 min
May 27, 6:39 PM CDTSevere Thunderstorm WarningOUNAlfalfa51 min
May 27, 6:43 PM CDTSevere Thunderstorm WarningOUNHarper, Woods47 min
May 27, 6:47 PM CDTSevere Thunderstorm WarningICTSedgwick, Sumner58 min
May 27, 6:55 PM CDTTornado WarningOUNAlfalfa35 min
May 27, 7:03 PM CDTSevere Thunderstorm WarningTSALatimer, LeFlore57 min
May 27, 7:26 PM CDTTornado WarningOUNAlfalfa34 min
May 27, 7:30 PM CDTSevere Thunderstorm WarningTSAPawnee45 min
May 27, 7:47 PM CDTSevere Thunderstorm WarningTSAMcIntosh, Okfuskee, Okmulgee58 min
May 27, 7:50 PM CDTSevere Thunderstorm WarningOUNGarfield, Grant55 min
May 27, 8:00 PM CDTSevere Thunderstorm WarningTSALatimer, LeFlore60 min
May 27, 8:01 PM CDTSevere Thunderstorm WarningOUNMajor44 min
May 27, 8:10 PM CDTSevere Thunderstorm WarningTSAOsage, Pawnee50 min
May 27, 8:10 PM CDTSevere Thunderstorm WarningTSAPittsburg50 min
May 27, 8:23 PM CDTSevere Thunderstorm WarningOUNWoods37 min
May 27, 8:40 PM CDTSevere Thunderstorm WarningOUNGarfield, Kingfisher50 min
May 27, 8:41 PM CDTSevere Thunderstorm WarningOUNBlaine, Major34 min
May 27, 8:43 PM CDTSevere Thunderstorm WarningTSAMcIntosh32 min
May 27, 8:50 PM CDTSevere Thunderstorm WarningOUNLogan40 min
May 27, 8:53 PM CDTSevere Thunderstorm WarningTSAOsage, Pawnee52 min
May 27, 8:54 PM CDTSevere Thunderstorm WarningTSALeFlore66 min
May 27, 8:58 PM CDTSevere Thunderstorm WarningTSAPittsburg47 min
May 27, 9:00 PM CDTSevere Thunderstorm WarningOUNNoble, Payne30 min
May 27, 9:26 PM CDTSevere Thunderstorm WarningOUNCanadian, Kingfisher, Logan, Oklahoma64 min
May 27, 9:26 PM CDTSevere Thunderstorm WarningOUNLincoln, Payne64 min
May 27, 9:29 PM CDTSevere Thunderstorm WarningSHVMcCurtain31 min
May 27, 9:33 PM CDTSevere Thunderstorm WarningTSATulsa42 min
May 27, 9:41 PM CDTSevere Thunderstorm WarningTSAPittsburg19 min
May 27, 9:43 PM CDTSevere Thunderstorm WarningTSAHaskell47 min
May 27, 9:59 PM CDTSevere Thunderstorm WarningOUNCleveland, Grady, McClain61 min
May 27, 10:00 PM CDTSevere Thunderstorm WarningTSALatimer45 min
May 27, 10:02 PM CDTSevere Thunderstorm WarningTSACreek43 min
May 27, 10:22 PM CDTSevere Thunderstorm WarningOUNPottawatomie38 min
May 27, 10:25 PM CDTSevere Thunderstorm WarningTSAOkfuskee50 min
May 27, 10:30 PM CDTSevere Thunderstorm WarningOUNLincoln, Oklahoma30 min
May 27, 10:48 PM CDTSevere Thunderstorm WarningOUNCleveland, Grady, McClain42 min

The nearest sounding before it

Lamont, OK (KLMN), launched 12:00Z, 10.8 hours before the alert went out and 27 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, Lamont, OK at 12:00Z on 2001-05-27Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 776 joules per kilogram.LCLLFCEL10008507005003002001001 km2 km3 km6 km9 km-30°-20°-10°0°10°20°30°40°
Temperature in red, dew point in green, the mixed-layer parcel dashed.
HodographHodograph, Lamont, OK at 12:00Z on 2001-05-27The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 35 square meters per square second.19395878Sfc1 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
776 J/kg
Mixed-layer CIN
-64 J/kg
Mixed-layer LCL
1272 m above ground
0-6 km bulk shear
40 kt
0-1 km storm-relative helicity
35 m²/s²
0-3 km storm-relative helicity
112 m²/s²
Significant tornado parameter
0.0
Supercell composite
0.9

Open this sounding in Storm Lab

The text

The text of this product is not in the archive. The NWS text archive before 2002 is incomplete.

SPC that day

Everything else SPC issued on the same UTC day.

IssuedProductOfficeCountiesLasted
May 27, 1:45 PM CDTSevere Thunderstorm WatchSPCBarber, Chautauqua, Cherokee, Cowley, Crawford, Elk and 9 more5 hr
May 27, 3:30 PM CDTSevere Thunderstorm WatchSPCClark, Comanche, Edwards, Finney, Ford, Gove and 21 more6 hr
May 26, 11:00 PM CDTSevere Thunderstorm WatchSPCBeckham, Harmon, Roger Mills6 hr

Nearby

Severe Thunderstorm Watches in Oklahoma, 2001Severe Thunderstorm Watches in Kansas, 2001Every severe thunderstorm watch in 2001

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.