Alert archive / Nebraska / Tornado Watches in 2003
Tornado Watch 564
The Storm Prediction Center issued this tornado watch at Jun 22, 2003, 8:30 PM CDT for 9 counties in Kansas; 37 counties in Nebraska. It was in force for 5 hr.
The area
The outline as issued.
The facts
- Issued
- Jun 22, 2003, 8:30 PM CDT (01:30 UTC)
- Expired
- Jun 23, 2003, 1:00 AM CDT
- In force
- 5 hr
- Issued by
- the Storm Prediction Center
All 46 counties
Clay County, KS, Cloud County, KS, Jewell County, KS, Mitchell County, KS, Osborne County, KS, Republic County, KS, Riley County, KS, Smith County, KS, Washington County, KS, Adams County, NE, Antelope County, NE, Boone County, NE, Butler County, NE, Cedar County, NE, Clay County, NE, Colfax County, NE, Cuming County, NE, Dixon County, NE, Dodge County, NE, Fillmore 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, 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, Stanton County, NE, Thayer County, NE, Wayne County, NE, Webster County, NE, Wheeler County, NE, York County, NE
The radar
The Grand Island radar (KUEX), 49 km from the middle of the area, began a volume at 01:33 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
37 tornado, severe thunderstorm and flash flood warnings for its counties while it was in force.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Jun 22, 8:30 PM CDT | Severe Thunderstorm Warning | LBF | Wheeler | 60 min |
| Jun 22, 8:33 PM CDT | Severe Thunderstorm Warning | GID | Adams | 42 min |
| Jun 22, 8:37 PM CDT | Severe Thunderstorm Warning | OAX | Boone | 38 min |
| Jun 22, 8:41 PM CDT | Severe Thunderstorm Warning | GID | Thayer | 64 min |
| Jun 22, 8:50 PM CDT | Severe Thunderstorm Warning | GID | Nance | 55 min |
| Jun 22, 8:55 PM CDT | Tornado Warning | TOP | Republic | 65 min |
| Jun 22, 9:01 PM CDT | Tornado Warning | GID | Nance | 59 min |
| Jun 22, 9:04 PM CDT | Severe Thunderstorm Warning | GID | Hamilton | 56 min |
| Jun 22, 9:18 PM CDT | Flash Flood Warning | GID | Fillmore | 6 hr |
| Jun 22, 9:22 PM CDT | Flash Flood Warning | TOP | Republic | 4 hr |
| Jun 22, 9:22 PM CDT | Severe Thunderstorm Warning | GID | Greeley, Valley | 53 min |
| Jun 22, 9:26 PM CDT | Tornado Warning | GID | Thayer | 64 min |
| Jun 22, 9:31 PM CDT | Severe Thunderstorm Warning | GID | Nuckolls | 59 min |
| Jun 22, 9:35 PM CDT | Tornado Warning | GID | Nuckolls | 40 min |
| Jun 22, 9:39 PM CDT | Tornado Warning | GID | Merrick | 51 min |
| Jun 22, 9:47 PM CDT | Severe Thunderstorm Warning | GID | Osborne, Rooks | 58 min |
| Jun 22, 9:50 PM CDT | Severe Thunderstorm Warning | GID | York | 55 min |
| Jun 22, 9:50 PM CDT | Severe Thunderstorm Warning | OAX | Boone | 40 min |
| Jun 22, 9:55 PM CDT | Severe Thunderstorm Warning | GID | Hamilton | 65 min |
| Jun 22, 9:56 PM CDT | Severe Thunderstorm Warning | GID | Jewell | 64 min |
| Jun 22, 9:56 PM CDT | Tornado Warning | TOP | Republic | 64 min |
| Jun 22, 10:06 PM CDT | Severe Thunderstorm Warning | OAX | Saline | 24 min |
| Jun 22, 10:11 PM CDT | Severe Thunderstorm Warning | GID | Greeley | 64 min |
| Jun 22, 10:18 PM CDT | Severe Thunderstorm Warning | GID | Nuckolls | 57 min |
| Jun 22, 10:28 PM CDT | Severe Thunderstorm Warning | GID | Thayer | 62 min |
| Jun 22, 10:45 PM CDT | Severe Thunderstorm Warning | GID | Osborne, Smith | 60 min |
| Jun 22, 10:55 PM CDT | Severe Thunderstorm Warning | GID | Jewell | 65 min |
| Jun 22, 10:57 PM CDT | Severe Thunderstorm Warning | TOP | Republic | 63 min |
| Jun 22, 11:00 PM CDT | Severe Thunderstorm Warning | GID | Fillmore | 60 min |
| Jun 22, 11:00 PM CDT | Severe Thunderstorm Warning | OAX | Lancaster | 45 min |
| Jun 22, 11:14 PM CDT | Severe Thunderstorm Warning | GID | Nuckolls | 46 min |
| Jun 22, 11:43 PM CDT | Flash Flood Warning | GID | Jewell | 6 hr |
| Jun 22, 11:48 PM CDT | Flash Flood Warning | GID | Nuckolls | 6 hr |
| Jun 22, 11:57 PM CDT | Severe Thunderstorm Warning | GID | Jewell | 63 min |
| Jun 23, 12:31 AM CDT | Severe Thunderstorm Warning | GID | Webster | 59 min |
| Jun 23, 12:53 AM CDT | Severe Thunderstorm Warning | OAX | Gage | 37 min |
| Jun 23, 12:55 AM CDT | Severe Thunderstorm Warning | GID | Jewell | 65 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 00:00Z, 1.5 hours before the alert went out and 158 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.
- Mixed-layer CAPE
- 2534 J/kg
- Mixed-layer CIN
- -65 J/kg
- Mixed-layer LCL
- 1045 m above ground
- 0-6 km bulk shear
- 26 kt
- 0-1 km storm-relative helicity
- 100 m²/s²
- 0-3 km storm-relative helicity
- 222 m²/s²
- Significant tornado parameter
- 0.0
- Supercell composite
- 7.7
The text
As transmitted, in the capitals the NWS used until 2016.
000
WWUS20 KWNS 230128
SEL4
SPC WW 230130
KSZ000-NEZ000-230600-
URGENT - IMMEDIATE BROADCAST REQUESTED
TORNADO WATCH NUMBER 564
NWS STORM PREDICTION CENTER NORMAN OK
830 PM CDT SUN JUN 22 2003
THE NWS STORM PREDICTION CENTER HAS ISSUED A
TORNADO WATCH FOR PORTIONS OF
SMALL PORTION OF NORTHEAST KANSAS
EASTERN NEBRASKA
EFFECTIVE THIS SUNDAY NIGHT AND MONDAY MORNING FROM 830 PM UNTIL
100 AM CDT.
TORNADOES...HAIL TO 2 INCHES IN DIAMETER...THUNDERSTORM WIND GUSTS
TO 70 MPH...AND DANGEROUS LIGHTNING ARE POSSIBLE IN THESE AREAS.
THE TORNADO WATCH AREA IS ALONG AND 60 STATUTE MILES EAST AND WEST
OF A LINE FROM 50 MILES NORTH NORTHWEST OF NORFOLK NEBRASKA TO 20
MILES SOUTH SOUTHWEST OF CONCORDIA KANSAS.
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...THIS TORNADO WATCH REPLACES TORNADO
WATCH NUMBER 562. WATCH NUMBER 562 WILL NOT BE IN EFFECT AFTER 830
PM CDT. CONTINUE...WW 560...WW 561...WW 563...
DISCUSSION...TORNADIC SUPERCELLS WITH AN ADDITIONAL THREAT OF VERY
LARGE HAIL WILL CONTINUE TO MOVE VERY SLOWLY EWD DURING THE NEXT FEW
HOURS INTO ERN NEB AND PORTIONS OF FAR NERN KS. AS BOUNDARY LAYER
COOLS AND STRONG ISENTROPIC LIFT INCREASES ON NOSE OF 50+ KT SLY
LLJ... ACTIVITY MAY EVOLVE INTO A SEVERE MCS TOWARDS 03Z-4Z.
AVIATION...TORNADOES AND A FEW SEVERE THUNDERSTORMS WITH HAIL
SURFACE AND ALOFT TO 2 INCHES. EXTREME TURBULENCE AND SURFACE WIND
GUSTS TO 60 KNOTS. A FEW CUMULONIMBI WITH MAXIMUM TOPS TO 500.
MEAN STORM MOTION VECTOR 23020.
...EVANS
423,0963 391,0964 391,0985 423,0985
WWUS20 KWNS 230128
SEL4
SPC WW 230130
KSZ000-NEZ000-230600-
URGENT - IMMEDIATE BROADCAST REQUESTED
TORNADO WATCH NUMBER 564
NWS STORM PREDICTION CENTER NORMAN OK
830 PM CDT SUN JUN 22 2003
THE NWS STORM PREDICTION CENTER HAS ISSUED A
TORNADO WATCH FOR PORTIONS OF
SMALL PORTION OF NORTHEAST KANSAS
EASTERN NEBRASKA
EFFECTIVE THIS SUNDAY NIGHT AND MONDAY MORNING FROM 830 PM UNTIL
100 AM CDT.
TORNADOES...HAIL TO 2 INCHES IN DIAMETER...THUNDERSTORM WIND GUSTS
TO 70 MPH...AND DANGEROUS LIGHTNING ARE POSSIBLE IN THESE AREAS.
THE TORNADO WATCH AREA IS ALONG AND 60 STATUTE MILES EAST AND WEST
OF A LINE FROM 50 MILES NORTH NORTHWEST OF NORFOLK NEBRASKA TO 20
MILES SOUTH SOUTHWEST OF CONCORDIA KANSAS.
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...THIS TORNADO WATCH REPLACES TORNADO
WATCH NUMBER 562. WATCH NUMBER 562 WILL NOT BE IN EFFECT AFTER 830
PM CDT. CONTINUE...WW 560...WW 561...WW 563...
DISCUSSION...TORNADIC SUPERCELLS WITH AN ADDITIONAL THREAT OF VERY
LARGE HAIL WILL CONTINUE TO MOVE VERY SLOWLY EWD DURING THE NEXT FEW
HOURS INTO ERN NEB AND PORTIONS OF FAR NERN KS. AS BOUNDARY LAYER
COOLS AND STRONG ISENTROPIC LIFT INCREASES ON NOSE OF 50+ KT SLY
LLJ... ACTIVITY MAY EVOLVE INTO A SEVERE MCS TOWARDS 03Z-4Z.
AVIATION...TORNADOES AND A FEW SEVERE THUNDERSTORMS WITH HAIL
SURFACE AND ALOFT TO 2 INCHES. EXTREME TURBULENCE AND SURFACE WIND
GUSTS TO 60 KNOTS. A FEW CUMULONIMBI WITH MAXIMUM TOPS TO 500.
MEAN STORM MOTION VECTOR 23020.
...EVANS
423,0963 391,0964 391,0985 423,0985SPC that day
Everything else SPC issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Jun 22, 10:32 PM CDT | Mesoscale Discussion | SPC | Jewell, Phillips, Republic, Smith, Washington | 88 min |
| Jun 22, 11:20 PM CDT | Severe Thunderstorm Watch | SPC | Atchison, Brown, Clay, Cloud, Doniphan, Jewell and 10 more | 6 hr |
| Jun 23, 1:49 AM CDT | Mesoscale Discussion | SPC | Brown, Clay, Cloud, Doniphan, Jewell, Marshall and 8 more | 116 min |
| Jun 23, 5:51 PM CDT | Mesoscale Discussion | SPC | Finney, Gove, Grant, Gray, Greeley, Hamilton and 14 more | 114 min |
| Jun 23, 6:00 PM CDT | Severe Thunderstorm Watch | SPC | Cheyenne, Decatur, Finney, Gove, Grant, Gray and 18 more | 6 hr |
| Jun 23, 1:04 AM CDT | Mesoscale Discussion | SPC | Blaine, Boyd, Brown, Cedar, Cherry, Holt and 5 more | 116 min |
| Jun 23, 3:13 AM CDT | Mesoscale Discussion | SPC | Antelope, Boone, Burt, Cedar, Colfax, Cuming and 17 more | 2 hr |
| Jun 23, 1:42 PM CDT | Mesoscale Discussion | SPC | Antelope, Arthur, Blaine, Boone, Brown, Custer and 18 more | 3 hr |
| Jun 23, 5:35 PM CDT | Tornado Watch | SPC | Antelope, Arthur, Blaine, Boone, Boyd, Brown and 37 more | 5 hr |
| Jun 23, 6:45 PM CDT | Tornado Watch | SPC | Boyd | 4 hr |
Nearby
Tornado Watches in Nebraska, 2003Tornado Watches in Kansas, 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.