Alert archive / Nebraska / Tornado Watches in 2003

Tornado Watch 562

June 22, 20034 states

The Storm Prediction Center issued this tornado watch at Jun 22, 2003, 3:35 PM CDT for 4 states. It was in force for 5 hr.

The area

The outline as issued.

The facts

Issued
Jun 22, 2003, 3:35 PM CDT (20:35 UTC)
Expired
Jun 22, 2003, 9:00 PM CDT
In force
5 hr
Issued by
the Storm Prediction Center
All 98 counties

Buena Vista County, IA, Cherokee County, IA, Clay County, IA, Crawford County, IA, Dickinson County, IA, Harrison County, IA, Ida County, IA, Lyon County, IA, Mills County, IA, Monona County, IA, O'Brien County, IA, Osceola County, IA, Plymouth County, IA, Pottawattamie County, IA, Sioux County, IA, Woodbury County, IA, Jackson County, MN, Nobles County, MN, Rock County, MN, Adams County, NE, Antelope County, NE, Boone County, NE, Boyd County, NE, Buffalo County, NE, Burt County, NE, Butler County, NE, Cass County, NE, Cedar County, NE, Clay County, NE, Colfax County, NE, Cuming County, NE, Custer County, NE, Dakota County, NE, Dawson County, NE, Dixon County, NE, Dodge County, NE, Douglas County, NE, Fillmore County, NE, Franklin County, NE, Furnas County, NE, Gage County, NE, Garfield County, NE, Gosper County, NE, Greeley County, NE, Hall County, NE, Hamilton County, NE, Harlan County, NE, Holt County, NE, Howard County, NE, Jefferson County, NE, Johnson County, NE, Kearney County, NE, Keya Paha County, NE, Knox County, NE, Lancaster County, NE, Loup County, NE, Madison County, NE, Merrick County, NE, Nance County, NE, Nemaha County, NE, Nuckolls County, NE, Otoe County, NE, Pawnee County, NE, Phelps County, NE, Pierce County, NE, Platte County, NE, Polk County, NE, Rock County, NE, Saline County, NE, Sarpy County, NE, Saunders County, NE, Seward County, NE, Sherman County, NE, Stanton County, NE, Thayer County, NE, Thurston County, NE, Valley County, NE, Washington County, NE, Wayne County, NE, Webster County, NE, Wheeler County, NE, York County, NE, Aurora County, SD, Bon Homme County, SD, Brule County, SD, Charles Mix County, SD, Clay County, SD, Davison County, SD, Douglas County, SD, Gregory County, SD, Hanson County, SD, Hutchinson County, SD, Lincoln County, SD, McCook County, SD, Minnehaha County, SD, Turner County, SD, Union County, SD, Yankton County, SD

The radar

The Grand Island radar (KUEX), 138 km from the middle of the area, began a volume at 20:35 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

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

IssuedProductOfficeCountiesLasted
Jun 22, 5:39 PM CDTSevere Thunderstorm WarningGIDThayer51 min
Jun 22, 5:50 PM CDTSevere Thunderstorm WarningGIDHall25 min
Jun 22, 5:53 PM CDTSevere Thunderstorm WarningGIDMerrick52 min
Jun 22, 6:01 PM CDTSevere Thunderstorm WarningGIDClay, Hamilton59 min
Jun 22, 6:21 PM CDTSevere Thunderstorm WarningGIDNance54 min
Jun 22, 6:21 PM CDTTornado WarningGIDThayer39 min
Jun 22, 6:26 PM CDTTornado WarningGIDHamilton64 min
Jun 22, 6:42 PM CDTSevere Thunderstorm WarningGIDMerrick63 min
Jun 22, 6:53 PM CDTTornado WarningGIDNuckolls, Thayer52 min
Jun 22, 6:55 PM CDTTornado WarningGIDMerrick50 min
Jun 22, 7:21 PM CDTTornado WarningGIDYork54 min
Jun 22, 7:28 PM CDTTornado WarningGIDHamilton32 min
Jun 22, 7:31 PM CDTSevere Thunderstorm WarningGIDFillmore59 min
Jun 22, 7:43 PM CDTTornado WarningGIDThayer62 min
Jun 22, 7:44 PM CDTFlash Flood WarningGIDThayer6 hr
Jun 22, 7:44 PM CDTSevere Thunderstorm WarningGIDPolk61 min
Jun 22, 8:01 PM CDTTornado WarningGIDHamilton44 min
Jun 22, 8:01 PM CDTSevere Thunderstorm WarningOAXJefferson59 min
Jun 22, 8:03 PM CDTSevere Thunderstorm WarningGIDHoward57 min
Jun 22, 8:16 PM CDTTornado WarningGIDYork59 min
Jun 22, 8:22 PM CDTSevere Thunderstorm WarningGIDGreeley53 min
Jun 22, 8:27 PM CDTSevere Thunderstorm WarningGIDFillmore, Nuckolls63 min
Jun 22, 8:30 PM CDTSevere Thunderstorm WarningLBFWheeler60 min
Jun 22, 8:33 PM CDTSevere Thunderstorm WarningGIDAdams42 min
Jun 22, 8:37 PM CDTSevere Thunderstorm WarningOAXBoone38 min
Jun 22, 8:41 PM CDTSevere Thunderstorm WarningGIDThayer64 min
Jun 22, 8:50 PM CDTSevere Thunderstorm WarningGIDNance55 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

Omaha, NE (KOAX), launched 12:00Z, 8.6 hours before the alert went out and 153 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, Omaha, NE at 12:00Z on 2003-06-22Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 1248 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, Omaha, NE at 12:00Z on 2003-06-22The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 57 square meters per square second.193958Sfc1 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
1248 J/kg
Mixed-layer CIN
-135 J/kg
Mixed-layer LCL
719 m above ground
0-6 km bulk shear
30 kt
0-1 km storm-relative helicity
57 m²/s²
0-3 km storm-relative helicity
29 m²/s²
Significant tornado parameter
0.0
Supercell composite
-0.3

Open this sounding in Storm Lab

The text

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

000 
WWUS20 KWNS 222039
SEL2  
SPC WW 222035
IAZ000-NEZ000-SDZ000-230200-

URGENT - IMMEDIATE BROADCAST REQUESTED
TORNADO WATCH NUMBER 562 
NWS STORM PREDICTION CENTER NORMAN OK 
335 PM CDT SUN JUN 22 2003

THE NWS STORM PREDICTION CENTER HAS ISSUED A
TORNADO WATCH FOR PORTIONS OF 

       WESTERN IOWA
       CENTRAL AND EASTERN NEBRASKA
       SOUTHEAST SOUTH DAKOTA

EFFECTIVE THIS SUNDAY AFTERNOON AND EVENING FROM 335 PM UNTIL 900
PM CDT.

...THIS IS A PARTICULARLY DANGEROUS SITUATION...

DESTRUCTIVE TORNADOES...LARGE HAIL TO 3 INCHES IN DIAMETER...
THUNDERSTORM WIND GUSTS TO 70 MPH...AND DANGEROUS LIGHTNING ARE
POSSIBLE IN THESE AREAS.

THE TORNADO WATCH AREA IS ALONG AND 120 STATUTE MILES EAST AND
WEST OF A LINE FROM 30 MILES NORTHWEST OF SIOUX FALLS SOUTH DAKOTA
TO 45 MILES SOUTH SOUTHEAST OF HASTINGS NEBRASKA.

REMEMBER...A TORNADO WATCH MEANS CONDITIONS ARE FAVORABLE FOR
TORNADOES AND SEVERE THUNDERSTORMS IN AND CLOSE TO THE WATCH AREA.
PERSONS IN THESE AREAS SHOULD BE ON THE LOOKOUT FOR THREATENING
WEATHER CONDITIONS AND LISTEN FOR LATER STATEMENTS AND POSSIBLE
WARNINGS.


OTHER WATCH INFORMATION...CONTINUE...WW 559...WW 560...WW 561...


DISCUSSION...THUNDERSTORMS EXPECTED TO DEVELOP RAPIDLY LATER THIS
AFTERNOON IN ZONE OF LOW LEVEL CONVERGENCE NEAR COLD FRONT/OUTFLOW
BOUNDARY INTERSECTION IN N CNTRL/NE NEB.  OTHER STORMS MAY DEVELOP
SEWD ALONG OUTFLOW BOUNDARY INTO SE NEB...AND SWD ALONG COLD FRONT
INTO S CNTRL NEB LATER THIS EVENING AS CAP IS BROKEN BY CONTINUED
SURFACE HEATING.  COMBINATION OF MODERATE LOW TO MID LEVEL SPEED AND
DIRECTIONAL SHEAR...COUPLED WITH HIGH BOUNDARY LAYER MOISTURE
CONTENT...SUGGEST POSSIBILITY FOR STRONG TORNADOES IN ADDITION TO
VERY LARGE HAIL/HIGH WINDS.  ACTIVITY SHOULD EVOLVE INTO AN MCS
LATER THIS EVENING...WITH OVERALL MCS MOTION TOWARD THE SE.

AVIATION...TORNADOES AND A FEW SEVERE THUNDERSTORMS WITH HAIL
SURFACE AND ALOFT TO 3 INCHES. EXTREME TURBULENCE AND SURFACE WIND
GUSTS TO 60 KNOTS. A FEW CUMULONIMBI WITH MAXIMUM TOPS TO 550.
MEAN STORM MOTION VECTOR 26030.


...CORFIDI

435,0944 395,0954 395,1002 435,0993 

WWUS20 KWNS 222039
SEL2  
SPC WW 222035
IAZ000-NEZ000-SDZ000-230200-

URGENT - IMMEDIATE BROADCAST REQUESTED
TORNADO WATCH NUMBER 562 
NWS STORM PREDICTION CENTER NORMAN OK 
335 PM CDT SUN JUN 22 2003

THE NWS STORM PREDICTION CENTER HAS ISSUED A
TORNADO WATCH FOR PORTIONS OF 

       WESTERN IOWA
       CENTRAL AND EASTERN NEBRASKA
       SOUTHEAST SOUTH DAKOTA

EFFECTIVE THIS SUNDAY AFTERNOON AND EVENING FROM 335 PM UNTIL 900
PM CDT.

...THIS IS A PARTICULARLY DANGEROUS SITUATION...

DESTRUCTIVE TORNADOES...LARGE HAIL TO 3 INCHES IN DIAMETER...
THUNDERSTORM WIND GUSTS TO 70 MPH...AND DANGEROUS LIGHTNING ARE
POSSIBLE IN THESE AREAS.

THE TORNADO WATCH AREA IS ALONG AND 120 STATUTE MILES EAST AND
WEST OF A LINE FROM 30 MILES NORTHWEST OF SIOUX FALLS SOUTH DAKOTA
TO 45 MILES SOUTH SOUTHEAST OF HASTINGS NEBRASKA.

REMEMBER...A TORNADO WATCH MEANS CONDITIONS ARE FAVORABLE FOR
TORNADOES AND SEVERE THUNDERSTORMS IN AND CLOSE TO THE WATCH AREA.
PERSONS IN THESE AREAS SHOULD BE ON THE LOOKOUT FOR THREATENING
WEATHER CONDITIONS AND LISTEN FOR LATER STATEMENTS AND POSSIBLE
WARNINGS.


OTHER WATCH INFORMATION...CONTINUE...WW 559...WW 560...WW 561...


DISCUSSION...THUNDERSTORMS EXPECTED TO DEVELOP RAPIDLY LATER THIS
AFTERNOON IN ZONE OF LOW LEVEL CONVERGENCE NEAR COLD FRONT/OUTFLOW
BOUNDARY INTERSECTION IN N CNTRL/NE NEB.  OTHER STORMS MAY DEVELOP
SEWD ALONG OUTFLOW BOUNDARY INTO SE NEB...AND SWD ALONG COLD FRONT
INTO S CNTRL NEB LATER THIS EVENING AS CAP IS BROKEN BY CONTINUED
SURFACE HEATING.  COMBINATION OF MODERATE LOW TO MID LEVEL SPEED AND
DIRECTIONAL SHEAR...COUPLED WITH HIGH BOUNDARY LAYER MOISTURE
CONTENT...SUGGEST POSSIBILITY FOR STRONG TORNADOES IN ADDITION TO
VERY LARGE HAIL/HIGH WINDS.  ACTIVITY SHOULD EVOLVE INTO AN MCS
LATER THIS EVENING...WITH OVERALL MCS MOTION TOWARD THE SE.

AVIATION...TORNADOES AND A FEW SEVERE THUNDERSTORMS WITH HAIL
SURFACE AND ALOFT TO 3 INCHES. EXTREME TURBULENCE AND SURFACE WIND
GUSTS TO 60 KNOTS. A FEW CUMULONIMBI WITH MAXIMUM TOPS TO 550.
MEAN STORM MOTION VECTOR 26030.


...CORFIDI

435,0944 395,0954 395,1002 435,0993

SPC that day

Everything else SPC issued on the same UTC day.

IssuedProductOfficeCountiesLasted
Jun 22, 9:30 AM CDTMesoscale DiscussionSPCAdair, Adams, Audubon, Buena Vista, Calhoun, Carroll and 20 more3 hr
Jun 21, 9:13 PM CDTMesoscale DiscussionSPCBecker, Big Stone, Clay, Clearwater, Grant, Kittson and 10 more92 min
Jun 22, 12:45 AM CDTMesoscale DiscussionSPCBig Stone, Clay, Grant, Kittson, Marshall, Norman and 6 more60 min
Jun 22, 2:55 PM CDTTornado WatchSPCBecker, Beltrami, Big Stone, Chippewa, Clay, Clearwater and 27 more6 hr
Jun 22, 5:59 PM CDTMesoscale DiscussionSPCBecker, Beltrami, Big Stone, Chippewa, Clay, Clearwater and 24 more61 min
Jun 22, 6:31 PM CDTMesoscale DiscussionSPCAitkin, Benton, Cass, Crow Wing, Isanti, Itasca and 6 more89 min
Jun 21, 7:54 PM CDTMesoscale DiscussionSPCAntelope, Arthur, Blaine, Boone, Boyd, Brown and 25 more66 min
Jun 21, 8:15 PM CDTSevere Thunderstorm WatchSPCAntelope, Blaine, Boyd, Brown, Cherry, Garfield and 9 more6 hr
Jun 21, 10:26 PM CDTMesoscale DiscussionSPCBlaine, Boyd, Brown, Garfield, Holt, Keya Paha and 2 more94 min
Jun 22, 1:27 AM CDTMesoscale DiscussionSPCAntelope, Blaine, Boyd, Brown, Cherry, Garfield and 9 more63 min
Jun 22, 4:38 AM CDTMesoscale DiscussionSPCCass, Gage, Jefferson, Johnson, Lancaster, Nemaha and 5 more97 min
Jun 22, 2:27 PM CDTMesoscale DiscussionSPCAntelope, Boone, Boyd, Butler, Cedar, Colfax and 18 more2 hr
Jun 22, 5:29 PM CDTMesoscale DiscussionSPCAdams, Antelope, Boone, Clay, Fillmore, Greeley and 15 more61 min
Jun 22, 1:47 PM CDTMesoscale DiscussionSPCButte, Custer, Fall River, Harding, Lawrence, Meade and 2 more118 min
Jun 22, 2:15 PM CDTSevere Thunderstorm WatchSPCButte, Corson, Custer, Dewey, Fall River, Haakon and 11 more7 hr
Jun 22, 5:48 PM CDTMesoscale DiscussionSPCButte, Corson, Custer, Dewey, Haakon, Harding and 8 more117 min

Nearby

Tornado Watches in Nebraska, 2003Tornado Watches in Iowa, 2003Tornado Watches in South Dakota, 2003Every tornado 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.