Alert archive / Nebraska / Tornado Warnings in 2010

Tornado Warning 71, NWS North Platte, NE

July 22, 2010Cherry County, Nebraska

NWS North Platte, NE issued this tornado warning at Jul 22, 2010, 8:59 PM MDT for Cherry County, Nebraska. It was in force for 31 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
Jul 22, 2010, 8:59 PM MDT (02:59 UTC)
Expired
Jul 22, 2010, 9:30 PM MDT
In force
31 min
Issued by
NWS North Platte, NE
Area
Storm-based polygon

County Cherry County, NE

The radar

The North Platte radar (KLNX), 45 km from the middle of the area, began a volume at 03:02 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 00:00Z, 3.0 hours before the alert went out and 133 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.

275 
WFUS53 KLBF 230259
TORLBF
NEC031-230330-
/O.NEW.KLBF.TO.W.0071.100723T0259Z-100723T0330Z/

BULLETIN - EAS ACTIVATION REQUESTED
TORNADO WARNING
NATIONAL WEATHER SERVICE NORTH PLATTE NE
859 PM MDT THU JUL 22 2010

THE NATIONAL WEATHER SERVICE IN NORTH PLATTE HAS ISSUED A

* TORNADO WARNING FOR...
  SOUTH CENTRAL CHERRY COUNTY IN NORTH CENTRAL NEBRASKA...

* UNTIL 930 PM MDT/1030 PM CDT/

* AT 853 PM MDT...NATIONAL WEATHER SERVICE DOPPLER RADAR INDICATED A
  SEVERE THUNDERSTORM CAPABLE OF PRODUCING A TORNADO. THIS DANGEROUS
  STORM WAS LOCATED NEAR HIGHWAY 97 CROSSING BIG CREEK...OR 23 MILES
  NORTH OF MULLEN...AND MOVING SOUTHEAST AT 35 MPH.

* LOCATIONS IMPACTED INCLUDE...
  BROWNLEE.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

TAKE COVER NOW. MOVE TO AN INTERIOR ROOM ON THE LOWEST FLOOR OF A
STURDY BUILDING. AVOID WINDOWS. IF IN A MOBILE HOME...A VEHICLE OR
OUTDOORS...MOVE TO THE CLOSEST SUBSTANTIAL SHELTER AND PROTECT
YOURSELF FROM FLYING DEBRIS.

TORNADOES ARE DIFFICULT TO SEE AND CONFIRM AT NIGHT. TAKE COVER NOW.

&&

LAT...LON 4234 10102 4243 10092 4230 10060 4213 10073
TIME...MOT...LOC 0259Z 307DEG 28KT 4233 10091

$$

CDC
2 follow-up statements
618 
WWUS53 KLBF 230315
SVSLBF

SEVERE WEATHER STATEMENT
NATIONAL WEATHER SERVICE NORTH PLATTE NE
1015 PM CDT THU JUL 22 2010

NEC031-230330-
/O.CON.KLBF.TO.W.0071.000000T0000Z-100723T0330Z/
CHERRY NE-
915 PM MDT THU JUL 22 2010

...A TORNADO WARNING REMAINS IN EFFECT FOR SOUTH CENTRAL CHERRY
COUNTY UNTIL 930 PM MDT/1030 PM CDT/...

AT 1012 PM CDT...NATIONAL WEATHER SERVICE DOPPLER RADAR INDICATED A
SEVERE THUNDERSTORM CAPABLE OF PRODUCING A TORNADO.  THIS DANGEROUS
STORM WAS LOCATED 5 MILES WEST OF BROWNLEE...OR 22 MILES NORTH OF
THEDFORD...MOVING SOUTHEAST AT 45 MPH.

THIS DANGEROUS STORM WILL AFFECT MAINLY RURAL AREAS OF SOUTH CENTRAL
CHERRY COUNTY.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

TAKE COVER NOW. MOVE TO AN INTERIOR ROOM ON THE LOWEST FLOOR OF A
STURDY BUILDING. AVOID WINDOWS. IF IN A MOBILE HOME...A VEHICLE OR
OUTDOORS...MOVE TO THE CLOSEST SUBSTANTIAL SHELTER AND PROTECT
YOURSELF FROM FLYING DEBRIS.

TORNADOES ARE DIFFICULT TO SEE AND CONFIRM AT NIGHT. TAKE COVER NOW.

&&

LAT...LON 4234 10102 4243 10092 4230 10060 4213 10073
TIME...MOT...LOC 0315Z 302DEG 37KT 4226 10069

$$

CDC
882 
WWUS53 KLBF 230325
SVSLBF

SEVERE WEATHER STATEMENT
NATIONAL WEATHER SERVICE NORTH PLATTE NE
1025 PM CDT THU JUL 22 2010

NEC031-230335-
/O.EXP.KLBF.TO.W.0071.000000T0000Z-100723T0330Z/
CHERRY NE-
925 PM MDT THU JUL 22 2010

...THE TORNADO WARNING FOR SOUTH CENTRAL CHERRY COUNTY WILL EXPIRE AT
1030 PM CDT/930 PM MDT/...

THE TORNADO THREAT HAS DIMINISHED...THEREFORE THE TORNADO WARNING HAS
EXPIRED. HOWEVER...A SEVERE THUNDERSTORM WARNING REMAINS IN EFFECT
FOR THE AREA.

LAT...LON 4234 10102 4243 10092 4230 10060 4213 10073 
TIME...MOT...LOC 0325Z 302DEG 37KT 4220 10057

$$

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, 8:03 PM MDTSevere Thunderstorm WarningLBFCherry42 min
Jul 22, 8:31 PM MDTTornado WarningLBFCherry29 min
Jul 22, 8:43 PM MDTSevere Thunderstorm WarningLBFCherry, Hooker47 min
Jul 22, 9:22 PM MDTSevere Thunderstorm WarningLBFBlaine, Brown, Cherry, Thomas53 min

Nearby

Tornado Warnings in Nebraska, 2010Every tornado warning in 2010Tornadoes 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; the sounding from the Mesonet's radiosonde archive; radar from the NEXRAD Level II archive.