Alert archive / Nebraska / Severe Thunderstorm Watches in 2003

Severe Thunderstorm Watch 360

May 13, 200344 counties in Nebraska

The Storm Prediction Center issued this severe thunderstorm watch at May 13, 2003, 1:45 PM CDT for 44 counties in Nebraska. It was in force for 5 hr.

The area

The outline as issued.

The facts

Issued
May 13, 2003, 1:45 PM CDT (18:45 UTC)
Expired
May 13, 2003, 7:00 PM CDT
In force
5 hr
Issued by
the Storm Prediction Center
All 44 counties

Adams County, NE, Antelope County, NE, Boone County, NE, Buffalo County, NE, Butler County, NE, Cedar County, NE, Clay County, NE, Colfax County, NE, Cuming County, NE, Dakota County, NE, Dixon County, NE, Dodge County, NE, Fillmore County, NE, Franklin County, NE, Gage County, NE, Garfield County, NE, Greeley County, NE, Hall County, NE, Hamilton County, NE, Holt County, NE, Howard County, NE, Jefferson County, NE, Kearney County, NE, Knox County, NE, Lancaster County, NE, Madison County, NE, Merrick County, NE, Nance County, NE, Nuckolls County, NE, Pierce County, NE, Platte County, NE, Polk County, NE, Saline County, NE, Saunders County, NE, Seward County, NE, Sherman County, NE, Stanton County, NE, Thayer County, NE, Thurston County, NE, Valley County, NE, Wayne County, NE, Webster County, NE, Wheeler County, NE, York County, NE

The radar

The Omaha radar (KOAX), 148 km from the middle of the area, began a volume at 18:45 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 13, 1:54 PM CDTSevere Thunderstorm WarningGIDSherman, Valley51 min
May 13, 1:58 PM CDTSevere Thunderstorm WarningLBFBoyd, Garfield62 min
May 13, 1:59 PM CDTSevere Thunderstorm WarningLBFHolt46 min
May 13, 2:24 PM CDTSevere Thunderstorm WarningLBFWheeler51 min
May 13, 2:31 PM CDTSevere Thunderstorm WarningLBFBoyd, Holt29 min
May 13, 2:32 PM CDTSevere Thunderstorm WarningGIDGreeley43 min
May 13, 2:45 PM CDTTornado WarningLBFBoyd, Holt45 min
May 13, 2:46 PM CDTSevere Thunderstorm WarningOAXAntelope44 min
May 13, 2:50 PM CDTSevere Thunderstorm WarningLBFHolt40 min
May 13, 3:01 PM CDTSevere Thunderstorm WarningOAXKnox44 min
May 13, 3:33 PM CDTSevere Thunderstorm WarningLBFHolt57 min
May 13, 3:37 PM CDTSevere Thunderstorm WarningOAXAntelope, Knox53 min
May 13, 3:43 PM CDTSevere Thunderstorm WarningGIDValley47 min
May 13, 4:01 PM CDTSevere Thunderstorm WarningLBFWheeler44 min
May 13, 4:06 PM CDTSevere Thunderstorm WarningLBFGarfield39 min
May 13, 4:11 PM CDTSevere Thunderstorm WarningOAXPierce49 min
May 13, 4:17 PM CDTFlash Flood WarningOAXKnox3 hr
May 13, 4:26 PM CDTSevere Thunderstorm WarningGIDValley49 min
May 13, 4:28 PM CDTSevere Thunderstorm WarningOAXMadison62 min
May 13, 4:30 PM CDTSevere Thunderstorm WarningGIDSherman45 min
May 13, 4:33 PM CDTSevere Thunderstorm WarningOAXBoone57 min
May 13, 4:39 PM CDTSevere Thunderstorm WarningOAXAntelope36 min
May 13, 4:42 PM CDTSevere Thunderstorm WarningGIDGreeley48 min
May 13, 4:44 PM CDTSevere Thunderstorm WarningLBFWheeler31 min
May 13, 4:55 PM CDTTornado WarningOAXMadison35 min
May 13, 4:59 PM CDTSevere Thunderstorm WarningGIDHoward61 min
May 13, 5:10 PM CDTSevere Thunderstorm WarningOAXPierce, Stanton, Wayne65 min
May 13, 5:19 PM CDTTornado WarningOAXStanton41 min
May 13, 5:22 PM CDTSevere Thunderstorm WarningGIDNance53 min
May 13, 5:25 PM CDTSevere Thunderstorm WarningOAXBoone35 min
May 13, 5:25 PM CDTTornado WarningOAXMadison50 min
May 13, 5:29 PM CDTSevere Thunderstorm WarningGIDSherman31 min
May 13, 5:33 PM CDTSevere Thunderstorm WarningOAXCedar42 min
May 13, 5:34 PM CDTSevere Thunderstorm WarningOAXPlatte56 min
May 13, 5:36 PM CDTSevere Thunderstorm WarningGIDHall54 min
May 13, 5:54 PM CDTSevere Thunderstorm WarningGIDMerrick51 min
May 13, 6:01 PM CDTSevere Thunderstorm WarningOAXColfax59 min
May 13, 6:06 PM CDTSevere Thunderstorm WarningGIDHamilton, Polk39 min
May 13, 6:08 PM CDTSevere Thunderstorm WarningOAXCuming, Dodge67 min
May 13, 6:12 PM CDTTornado WarningGIDHamilton48 min
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

Discussions around it

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

The nearest sounding before it

N. Platte/Lee Bi, NE (KLBF), launched 12:00Z, 6.8 hours before the alert went out and 219 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, N. Platte/Lee Bi, NE at 12:00Z on 2003-05-13Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 212 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, N. Platte/Lee Bi, NE at 12:00Z on 2003-05-13The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 93 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
212 J/kg
Mixed-layer CIN
-282 J/kg
Mixed-layer LCL
1567 m above ground
0-6 km bulk shear
42 kt
0-1 km storm-relative helicity
93 m²/s²
0-3 km storm-relative helicity
212 m²/s²
Significant tornado parameter
0.0
Supercell composite
2.1

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 DiscussionSPCAdams, Antelope, Blaine, Boone, Brown, Buffalo and 45 more92 min
May 13, 3:27 PM CDTMesoscale DiscussionSPCAntelope, Boone, Colfax, Garfield, Greeley, Holt and 11 more93 min
May 13, 6:20 PM CDTSevere Thunderstorm WatchSPCAdams, Burt, Butler, Cass, Clay, Dodge and 22 more5 hr

Nearby

Severe Thunderstorm Watches in Nebraska, 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.