Alert archive / Nebraska / Severe Thunderstorm Warnings in 2010

Severe Thunderstorm Warning 310, NWS North Platte, NE

July 22, 2010Cherry County, Nebraska

NWS North Platte, NE issued this severe thunderstorm warning at Jul 22, 2010, 8:03 PM MDT for Cherry County, Nebraska. It was in force for 42 min. 1 report came from inside the area while it was in force.

The area

The outline as issued, with what was reported inside it.

The facts

Issued
Jul 22, 2010, 8:03 PM MDT (02:03 UTC)
Expired
Jul 22, 2010, 8:45 PM MDT
In force
42 min
Issued by
NWS North Platte, NE
Area
Storm-based polygon
Hail
0.75 in
Wind
60.0 mph

County Cherry County, NE

The radar

The North Platte radar (KLNX), 55 km from the middle of the area, began a volume at 02:03 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.

What was reported inside it

TimeReportWhereRemark
Jul 22, 8:55 PM MDTHAIL 0.7524 Ssw Merritt Reservoi, NEONE HALF TO THREE QUARTER INCH DIAMETER HAIL REPORTED ALONG WITH VERY HEAVY RAIN.

Local storm reports filed while the alert was in force, from inside its polygon or its counties.

The nearest sounding before it

N. Platte/Lee Bi, NE (KLBF), launched 00:00Z, 2.1 hours before the alert went out and 137 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 00:00Z on 2010-07-23Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 62 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 00:00Z on 2010-07-23The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity -5 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
62 J/kg
Mixed-layer CIN
-289 J/kg
Mixed-layer LCL
2191 m above ground
0-6 km bulk shear
27 kt
0-1 km storm-relative helicity
-5 m²/s²
0-3 km storm-relative helicity
9 m²/s²
Significant tornado parameter
0.0
Supercell composite
-0.0

Open this sounding in Storm Lab

The text

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

169 
WUUS53 KLBF 230203
SVRLBF
NEC031-230245-
/O.NEW.KLBF.SV.W.0310.100723T0203Z-100723T0245Z/

BULLETIN - IMMEDIATE BROADCAST REQUESTED
SEVERE THUNDERSTORM WARNING
NATIONAL WEATHER SERVICE NORTH PLATTE NE
803 PM MDT THU JUL 22 2010

THE NATIONAL WEATHER SERVICE IN NORTH PLATTE HAS ISSUED A

* SEVERE THUNDERSTORM WARNING FOR...
  CENTRAL CHERRY COUNTY IN NORTH CENTRAL NEBRASKA...

* UNTIL 845 PM MDT/945 PM CDT/

* AT 758 PM MDT...NATIONAL WEATHER SERVICE DOPPLER RADAR INDICATED A
  SEVERE THUNDERSTORM CAPABLE OF PRODUCING DAMAGING WINDS IN EXCESS
  OF 60 MPH.  THIS STORM WAS LOCATED 6 MILES NORTH OF ROUND LAKE...OR
  37 MILES SOUTHEAST OF GORDON...AND MOVING SOUTHEAST AT 55 MPH.

* THE SEVERE THUNDERSTORM WILL BE NEAR...
  SPECKEL MEIR LAKE AROUND 815 PM MDT.
  HIGHWAY 97 CROSSING BIG CREEK AROUND 830 PM MDT.

OTHER LOCATIONS IMPACTED BY THIS SEVERE THUNDERSTORM INCLUDE HIGHWAY
97 MILE MARKER 80.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

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

&&

LAT...LON 4224 10054 4210 10078 4244 10171 4258 10162
TIME...MOT...LOC 0203Z 296DEG 48KT 4248 10151
WIND...HAIL 60MPH <.75IN

$$

CDC
2 follow-up statements
629 
WWUS53 KLBF 230216
SVSLBF

SEVERE WEATHER STATEMENT
NATIONAL WEATHER SERVICE NORTH PLATTE NE
916 PM CDT THU JUL 22 2010

NEC031-230245-
/O.CON.KLBF.SV.W.0310.000000T0000Z-100723T0245Z/
CHERRY NE-
816 PM MDT THU JUL 22 2010

...A SEVERE THUNDERSTORM WARNING REMAINS IN EFFECT FOR SOUTH CENTRAL
CHERRY COUNTY UNTIL 845 PM MDT/945 PM CDT/...

AT 812 PM MDT...NATIONAL WEATHER SERVICE DOPPLER RADAR INDICATED A
SEVERE THUNDERSTORM CAPABLE OF PRODUCING DAMAGING WINDS IN EXCESS OF
60 MPH.  THIS STORM WAS LOCATED 6 MILES NORTH OF SPECKEL MEIR LAKE...
OR 31 MILES NORTHWEST OF MULLEN...MOVING SOUTHEAST AT 45 MPH.

THE SEVERE THUNDERSTORM WILL BE NEAR...
  HIGHWAY 97 CROSSING BIG CREEK AROUND 835 PM MDT.

OTHER LOCATIONS IMPACTED BY THE SEVERE THUNDERSTORM INCLUDE HIGHWAY
97 MILE MARKER 80.

LAT...LON 4253 10146 4224 10054 4210 10078 4239 10156
TIME...MOT...LOC 0217Z 296DEG 38KT 4240 10130
WIND...HAIL 60MPH <.75IN

$$

CDC
155 
WWUS53 KLBF 230245 RRA
SVSLBF

SEVERE WEATHER STATEMENT
NATIONAL WEATHER SERVICE NORTH PLATTE NE
945 PM CDT THU JUL 22 2010

NEC031-230255-
/O.EXP.KLBF.SV.W.0310.000000T0000Z-100723T0245Z/
CHERRY NE-
845 PM MDT THU JUL 22 2010

...THE SEVERE THUNDERSTORM WARNING FOR SOUTH CENTRAL CHERRY COUNTY IS
BEING REISSUED...

PLEASE REFER TO THAT BULLETIN FOR THE LATEST SEVERE WEATHER
INFORMATION.

LAT...LON 4253 10146 4224 10054 4210 10078 4239 10156
TIME...MOT...LOC 0216Z 296DEG 38KT 4240 10131

$$

CDC

The office that day

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

IssuedProductOfficeCountiesLasted
Jul 22, 6:03 PM MDTSevere Thunderstorm WarningLBFSheridan42 min
Jul 22, 7:21 PM MDTSevere Thunderstorm WarningLBFCherry, Sheridan39 min
Jul 22, 7:57 PM MDTSevere Thunderstorm WarningLBFCherry48 min
Jul 22, 8:31 PM MDTTornado WarningLBFCherry29 min
Jul 22, 8:43 PM MDTSevere Thunderstorm WarningLBFCherry, Hooker47 min
Jul 22, 8:59 PM MDTTornado WarningLBFCherry31 min
Jul 22, 9:22 PM MDTSevere Thunderstorm WarningLBFBlaine, Brown, Cherry, Thomas53 min

Nearby

Severe Thunderstorm Warnings in Nebraska, 2010Every severe thunderstorm warning in 2010

Sources

The product and its follow-ups from the Iowa Environmental Mesonet's archive of National Weather Service and Storm Prediction Center text; local storm reports from the same archive; the sounding from the Mesonet's radiosonde archive; radar from the NEXRAD Level II archive.