Alert archive / Nebraska / Severe Thunderstorm Watches in 2003

Severe Thunderstorm Watch 363

May 13, 20034 states

The Storm Prediction Center issued this severe thunderstorm watch at May 13, 2003, 6:20 PM CDT for 4 states. It was in force for 5 hr.

The area

The outline as issued.

The facts

Issued
May 13, 2003, 6:20 PM CDT (23:20 UTC)
Expired
May 13, 2003, 11:00 PM CDT
In force
5 hr
Issued by
the Storm Prediction Center
All 52 counties

Fremont County, IA, Harrison County, IA, Mills County, IA, Monona County, IA, Montgomery County, IA, Page County, IA, Pottawattamie County, IA, Taylor County, IA, Brown County, KS, Clay County, KS, Cloud County, KS, Dickinson County, KS, Jewell County, KS, Marshall County, KS, Nemaha County, KS, Ottawa County, KS, Pottawatomie County, KS, Republic County, KS, Riley County, KS, Washington County, KS, Atchison County, MO, Holt County, MO, Nodaway County, MO, Worth County, MO, Adams County, NE, Burt County, NE, Butler County, NE, Cass County, NE, Clay County, NE, Dodge County, NE, Douglas County, NE, Fillmore County, NE, Gage County, NE, Hamilton County, NE, Jefferson County, NE, Johnson County, NE, Kearney County, NE, Lancaster County, NE, Nemaha County, NE, Nuckolls County, NE, Otoe County, NE, Pawnee County, NE, Polk County, NE, Richardson County, NE, Saline County, NE, Sarpy County, NE, Saunders County, NE, Seward County, NE, Thayer County, NE, Washington County, NE, Webster County, NE, York County, NE

The radar

The Grand Island radar (KUEX), 106 km from the middle of the area, began a volume at 23:21 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

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

IssuedProductOfficeCountiesLasted
May 13, 6:21 PM CDTSevere Thunderstorm WarningOAXButler54 min
May 13, 6:24 PM CDTSevere Thunderstorm WarningGIDYork66 min
May 13, 6:39 PM CDTSevere Thunderstorm WarningGIDClay, Fillmore51 min
May 13, 6:52 PM CDTSevere Thunderstorm WarningOAXWashington53 min
May 13, 7:03 PM CDTSevere Thunderstorm WarningOAXDouglas, Seward57 min
May 13, 7:06 PM CDTSevere Thunderstorm WarningGIDNuckolls39 min
May 13, 7:30 PM CDTSevere Thunderstorm WarningGIDFillmore, Thayer65 min
May 13, 7:37 PM CDTSevere Thunderstorm WarningTOPRepublic, Washington68 min
May 13, 7:44 PM CDTSevere Thunderstorm WarningGIDNuckolls31 min
May 13, 8:04 PM CDTSevere Thunderstorm WarningOAXGage, Lancaster26 min
May 13, 8:10 PM CDTSevere Thunderstorm WarningOAXJefferson50 min
May 13, 8:21 PM CDTSevere Thunderstorm WarningOAXJohnson39 min
May 13, 8:42 PM CDTSevere Thunderstorm WarningTOPClay, Cloud, Republic, Washington63 min
May 13, 8:49 PM CDTSevere Thunderstorm WarningOAXPawnee41 min

Discussions around it

SPC mesoscale discussions over the same counties from four hours before the watch to its end.

The nearest sounding before it

Topeka, KS (KTOP), launched 12:00Z, 11.3 hours before the alert went out and 207 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, Topeka, KS at 12:00Z on 2003-05-13Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 0 joules per kilogram.LCL10008507005003002001001 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, Topeka, KS at 12:00Z on 2003-05-13The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 419 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
0 J/kg
Mixed-layer CIN
No buoyant parcel
Mixed-layer LCL
1786 m above ground
0-6 km bulk shear
49 kt
0-1 km storm-relative helicity
419 m²/s²
0-3 km storm-relative helicity
386 m²/s²
Significant tornado parameter
0.0
Supercell composite
0.0

Open this sounding in Storm Lab

SPC that day

Everything else SPC issued on the same UTC day.

IssuedProductOfficeCountiesLasted
May 13, 1:13 PM CDTMesoscale DiscussionSPCHarrison92 min
May 13, 5:31 AM CDTMesoscale DiscussionSPCClay, Cloud, Dickinson, Ellsworth, Geary, Jewell and 8 more3 hr
May 13, 10:08 AM CDTMesoscale DiscussionSPCAllen, Bourbon, Butler, Chautauqua, Cherokee, Coffey and 11 more97 min
May 13, 1:53 PM CDTMesoscale DiscussionSPCHarper, Sumner97 min
May 13, 5:04 PM CDTMesoscale DiscussionSPCBarber, Harper86 min
May 13, 1:45 PM CDTSevere Thunderstorm WatchSPCAdams, Antelope, Boone, Buffalo, Butler, Cedar and 38 more5 hr
May 13, 3:27 PM CDTMesoscale DiscussionSPCAntelope, Boone, Colfax, Garfield, Greeley, Holt and 11 more93 min

Nearby

Severe Thunderstorm Watches in Nebraska, 2003Severe Thunderstorm Watches in Kansas, 2003Severe Thunderstorm Watches in Iowa, 2003Every severe thunderstorm watch in 2003

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.