Alert archive / Nebraska / Severe Thunderstorm Warnings in 2007

Severe Thunderstorm Warning 13, NWS North Platte, NE

March 28, 2007Garden County, Nebraska

NWS North Platte, NE issued this severe thunderstorm warning at Mar 28, 2007, 5:46 PM MDT for Garden County, Nebraska. It was in force for 44 min. No storm report in the archive falls inside the area while it was in force.

The area

The outline as issued.

The facts

Issued
Mar 28, 2007, 5:46 PM MDT (23:46 UTC)
Expired
Mar 28, 2007, 6:30 PM MDT
In force
44 min
Issued by
NWS North Platte, NE
Area
Counties, with a storm outline in the text

County Garden County, NE

The radar

The North Platte radar (KLNX), 146 km from the middle of the area, began a volume at 23:46 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.

The nearest sounding before it

N. Platte/Lee Bi, NE (KLBF), launched 12:00Z, 11.8 hours before the alert went out and 159 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 2007-03-28Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 620 joules per kilogram.LCLLFCEL10008507005003002001001 km2 km3 km6 km9 km12 km15 km-30°-20°-10°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 2007-03-28The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 233 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
620 J/kg
Mixed-layer CIN
-173 J/kg
Mixed-layer LCL
858 m above ground
0-6 km bulk shear
36 kt
0-1 km storm-relative helicity
233 m²/s²
0-3 km storm-relative helicity
284 m²/s²
Significant tornado parameter
0.0
Supercell composite
1.2

Open this sounding in Storm Lab

The text

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

000 
WUUS53 KLBF 282346
SVRLBF
NEC069-290030-
/O.NEW.KLBF.SV.W.0013.070328T2346Z-070329T0030Z/

BULLETIN - EAS ACTIVATION REQUESTED
SEVERE THUNDERSTORM WARNING
NATIONAL WEATHER SERVICE NORTH PLATTE NE
546 PM MDT WED MAR 28 2007

THE NATIONAL WEATHER SERVICE IN NORTH PLATTE HAS ISSUED A

* SEVERE THUNDERSTORM WARNING FOR...
  CENTRAL GARDEN COUNTY IN THE PANHANDLE OF NEBRASKA...

* UNTIL 630 PM MDT

* AT 541 PM MDT...NATIONAL WEATHER SERVICE DOPPLER RADAR INDICATED A
  SEVERE THUNDERSTORM CAPABLE OF PRODUCING LARGE DAMAGING HAIL UP TO
  GOLF BALL SIZE.  THIS STORM WAS LOCATED 9 MILES EAST OF DOGTOWN
  FLATS...OR ABOUT 17 MILES NORTHEAST OF OSHKOSH...AND MOVING NORTH
  AT 50 MPH.

* THE SEVERE THUNDERSTORM WILL BE NEAR...
  BRITTON LAKE BY 555 PM MDT...
  JERRY LAKE AND 6 MILES WEST OF KINCAID LAKE BY 600 PM MDT...

A TORNADO WATCH REMAINS IN EFFECT FOR THE WARNED AREA. IF A TORNADO
IS SPOTTED... ACT QUICKLY AND MOVE TO A PLACE OF SAFETY IN A STURDY
STRUCTURE...SUCH AS A BASEMENT OR SMALL INTERIOR ROOM.

THIS STORM HAS A HISTORY OF PRODUCING LARGE DAMAGING HAIL. SEEK 
SHELTER NOW INSIDE A STURDY STRUCTURE AND STAY AWAY FROM WINDOWS

LAT...LON 4157 10250 4159 10207 4198 10208 4199 10245

$$

JWS
2 follow-up statements
000 
WWUS53 KLBF 290005
SVSLBF

SEVERE WEATHER STATEMENT
NATIONAL WEATHER SERVICE NORTH PLATTE NE
705 PM CDT WED MAR 28 2007

NEC069-290030-
/O.CON.KLBF.SV.W.0013.000000T0000Z-070329T0030Z/
GARDEN NE-
605 PM MDT WED MAR 28 2007

...A SEVERE THUNDERSTORM WARNING REMAINS IN EFFECT UNTIL 630 PM MDT
FOR CENTRAL GARDEN COUNTY...

AT 601 PM MDT...NATIONAL WEATHER SERVICE DOPPLER RADAR CONTINUED TO
INDICATE A SEVERE THUNDERSTORM CAPABLE OF PRODUCING QUARTER SIZE
HAIL.  THIS STORM WAS LOCATED NEAR JERRY LAKE...OR ABOUT 33 MILES
NORTH OF OSHKOSH...MOVING NORTH AT 55 MPH.

A TORNADO WATCH REMAINS IN EFFECT FOR THE WARNED AREA. IF A TORNADO
IS SPOTTED... ACT QUICKLY AND MOVE TO A PLACE OF SAFETY IN A STURDY
STRUCTURE...SUCH AS A BASEMENT OR SMALL INTERIOR ROOM.

LAT...LON 4157 10250 4159 10207 4198 10208 4199 10245

$$

JWS
000 
WWUS53 KLBF 290030
SVSLBF

SEVERE WEATHER STATEMENT
NATIONAL WEATHER SERVICE NORTH PLATTE NE
728 PM CDT WED MAR 28 2007

NEC069-290038-
/O.EXP.KLBF.SV.W.0013.000000T0000Z-070329T0030Z/
GARDEN NE-
628 PM MDT WED MAR 28 2007

...THE SEVERE THUNDERSTORM WARNING FOR CENTRAL GARDEN COUNTY EXPIRES
AT 630 PM MDT...

AT 628 PM MDT...NORTH PLATTE DOPPLER RADAR INDICATED THAT THE STORM 
THAT PRODUCED THE WARNING HAD MOVED NORTH OUT OF THE COUNTY. 
HOWEVER...AN ADDITIONAL LINE OF STRONG THUNDERSTORMS WILL MOVE 
ACROSS GARDEN COUNTY THROUGH 8 PM MDT. STAY TUNED FOR POSSIBLE 
ADDITIONAL WARNINGS.

LAT...LON 4157 10250 4159 10207 4198 10208 4199 10245

$$

JWS

The office that day

Everything else NWS North Platte, NE issued on the same UTC day.

IssuedProductOfficeCountiesLasted
Mar 28, 2:21 AM MDTWind AdvisoryLBFArthur, Blaine, Brown, Chase, Cherry, Custer and 16 more9 hr
Mar 28, 2:12 PM MDTFlash Flood WatchLBFBlaine, Boyd, Brown, Custer, Frontier, Garfield and 8 more31 hr
Mar 28, 4:34 PM MDTSevere Thunderstorm WarningLBFChase, Perkins26 min
Mar 28, 4:58 PM MDTSevere Thunderstorm WarningLBFCherry, Grant62 min
Mar 28, 4:59 PM MDTSevere Thunderstorm WarningLBFKeith, Perkins46 min
Mar 28, 5:02 PM MDTSevere Thunderstorm WarningLBFCherry, Sheridan58 min
Mar 28, 5:14 PM MDTSevere Thunderstorm WarningLBFDeuel, Garden46 min
Mar 28, 5:45 PM MDTSevere Thunderstorm WarningLBFCherry, Sheridan60 min
Mar 28, 5:54 PM MDTSevere Thunderstorm WarningLBFDeuel, Garden51 min

Nearby

Severe Thunderstorm Warnings in Nebraska, 2007Every severe thunderstorm warning in 2007

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.