Alert archive / Nebraska / Severe Thunderstorm Warnings in 2019

Severe Thunderstorm Warning 252, NWS North Platte, NE

September 10, 2019Blaine County, Brown County, Loup County, Nebraska

NWS North Platte, NE issued this severe thunderstorm warning at Sep 10, 2019, 11:15 PM CDT for Blaine County, Brown County, Loup County, Nebraska. It was in force for 30 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
Sep 10, 2019, 11:15 PM CDT (04:15 UTC)
Expired
Sep 10, 2019, 11:45 PM CDT
In force
30 min
Issued by
NWS North Platte, NE
Area
Storm-based polygon
Hail
1.0 in
Wind
60.0 mph

Counties Blaine County, NE, Brown County, NE, Loup County, NE

The radar

The North Platte radar (KLNX), 66 km from the middle of the area, began a volume at 04:16 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, 4.3 hours before the alert went out and 119 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 2019-09-11Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 2735 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 2019-09-11The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 158 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
2735 J/kg
Mixed-layer CIN
-21 J/kg
Mixed-layer LCL
1452 m above ground
0-6 km bulk shear
38 kt
0-1 km storm-relative helicity
158 m²/s²
0-3 km storm-relative helicity
350 m²/s²
Significant tornado parameter
2.6
Supercell composite
30.3

Open this sounding in Storm Lab

The text

As transmitted.

123 
WUUS53 KLBF 110415
SVRLBF
NEC009-017-115-110445-
/O.NEW.KLBF.SV.W.0252.190911T0415Z-190911T0445Z/

BULLETIN - IMMEDIATE BROADCAST REQUESTED
Severe Thunderstorm Warning
National Weather Service North Platte NE
1115 PM CDT Tue Sep 10 2019

The National Weather Service in North Platte has issued a

* Severe Thunderstorm Warning for...
  Western Loup County in north central Nebraska...
  Southeastern Brown County in north central Nebraska...
  Northeastern Blaine County in north central Nebraska...

* Until 1145 PM CDT.

* At 1115 PM CDT, severe thunderstorms were located along a line
  extending from 15 miles southeast of Elsmere to near Brewster,
  moving east at 25 mph.

  HAZARD...60 mph wind gusts and quarter size hail.

  SOURCE...Radar indicated.

  IMPACT...Hail damage to vehicles is expected. Expect wind damage 
           to roofs, siding, and trees.

* Locations impacted include...
  Brewster and Almeria Meadow State Wildlife Management Area. 

PRECAUTIONARY/PREPAREDNESS ACTIONS...

For your protection move to an interior room on the lowest floor of a
building.

Torrential rainfall is occurring with these storms, and may lead to
flash flooding. Do not drive your vehicle through flooded roadways.

&&

LAT...LON 4209 9966 4179 9958 4192 10001 4216 10001
TIME...MOT...LOC 0415Z 287DEG 23KT 4206 9991 4195 9992 

HAIL...1.00IN
WIND...60MPH
 
$$

Thorne/CC
2 follow-up statements
141 
WWUS53 KLBF 110430
SVSLBF

Severe Weather Statement
National Weather Service North Platte NE
1130 PM CDT Tue Sep 10 2019

NEC009-017-115-110445-
/O.CON.KLBF.SV.W.0252.000000T0000Z-190911T0445Z/
Loup NE-Brown NE-Blaine NE-
1130 PM CDT Tue Sep 10 2019

...A SEVERE THUNDERSTORM WARNING REMAINS IN EFFECT UNTIL 1145 PM CDT
FOR WESTERN LOUP...SOUTHEASTERN BROWN AND NORTHEASTERN BLAINE
COUNTIES...

At 1130 PM CDT, severe thunderstorms were located along a line
extending from 16 miles southwest of Rose to near Brewster, moving
east at 25 mph.

HAZARD...60 mph wind gusts and quarter size hail.

SOURCE...Radar indicated.

IMPACT...Hail damage to vehicles is expected. Expect wind damage to 
         roofs, siding, and trees.

Locations impacted include...
Brewster and Almeria Meadow State Wildlife Management Area. 

PRECAUTIONARY/PREPAREDNESS ACTIONS...

For your protection move to an interior room on the lowest floor of a
building.

Torrential rainfall is occurring with these storms, and may lead to
flash flooding. Do not drive your vehicle through flooded roadways.

&&

LAT...LON 4209 9966 4179 9958 4188 9989 4213 9985
TIME...MOT...LOC 0430Z 270DEG 23KT 4203 9980 4192 9981 

HAIL...1.00IN
WIND...60MPH
 
$$

Thorne/CDC
426 
WWUS53 KLBF 110443
SVSLBF

Severe Weather Statement
National Weather Service North Platte NE
1143 PM CDT Tue Sep 10 2019

NEC009-017-115-110453-
/O.EXP.KLBF.SV.W.0252.000000T0000Z-190911T0445Z/
Loup NE-Brown NE-Blaine NE-
1143 PM CDT Tue Sep 10 2019

...THE SEVERE THUNDERSTORM WARNING FOR WESTERN LOUP...SOUTHEASTERN
BROWN AND NORTHEASTERN BLAINE COUNTIES WILL EXPIRE AT 1145 PM CDT...
            
The storms which prompted the warning have weakened below severe
limits, and no longer pose an immediate threat to life or property.
Therefore, the warning will be allowed to expire.  However small hail
and gusty winds are still possible with these thunderstorms.

LAT...LON 4209 9966 4179 9958 4188 9989 4213 9985
TIME...MOT...LOC 0443Z 287DEG 23KT 4201 9970 4190 9971 

$$

Thorne/CDC

The office that day

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

IssuedProductOfficeCountiesLasted
Sep 10, 7:58 PM CDTAreal Flood AdvisoryLBFCherry3 hr
Sep 10, 8:04 PM CDTSpecial Weather StatementLBFKeya Paha41 min
Sep 10, 8:07 PM CDTSpecial Weather StatementLBFSheridan38 min
Sep 10, 8:28 PM CDTAreal Flood AdvisoryLBFBrown, Cherry, Keya Paha3 hr
Sep 10, 8:33 PM CDTSpecial Weather StatementLBFSheridan27 min
Sep 10, 8:41 PM CDTSpecial Weather StatementLBFBoyd49 min
Sep 10, 8:52 PM CDTSpecial Weather StatementLBFCherry38 min
Sep 10, 9:06 PM CDTSpecial Weather StatementLBFGrant39 min
Sep 10, 9:28 PM CDTSpecial Weather StatementLBFBoyd, Brown, Rock47 min
Sep 10, 9:36 PM CDTAreal Flood AdvisoryLBFBoyd, Holt, Keya Paha, Rock3 hr
Sep 10, 9:45 PM CDTSpecial Weather StatementLBFCherry30 min
Sep 10, 9:58 PM CDTSevere Thunderstorm WarningLBFCherry47 min
Sep 10, 10:17 PM CDTSpecial Weather StatementLBFBrown, Rock43 min
Sep 10, 10:45 PM CDTSpecial Weather StatementLBFCherry45 min
Sep 10, 10:57 PM CDTSpecial Weather StatementLBFBlaine, Holt, Loup48 min
Sep 10, 10:58 PM CDTFlash Flood WarningLBFBoyd, Brown, Holt, Keya Paha, Rock11 hr
Sep 10, 11:12 PM CDTAreal Flood AdvisoryLBFCherry3 hr
Sep 10, 11:25 PM CDTSpecial Weather StatementLBFBrown50 min
Sep 10, 11:41 PM CDTAreal Flood AdvisoryLBFCherry4 hr
Sep 10, 11:47 PM CDTSpecial Weather StatementLBFArthur, Grant58 min
Sep 11, 12:31 AM CDTAreal Flood AdvisoryLBFBoyd3 hr
Sep 11, 12:32 AM CDTSpecial Weather StatementLBFBlaine, Brown, Rock58 min
Sep 11, 12:45 AM CDTSpecial Weather StatementLBFCherry, Hooker, Thomas60 min
Sep 11, 1:27 AM CDTAreal Flood AdvisoryLBFHolt, Rock3 hr
Sep 11, 1:29 AM CDTSpecial Weather StatementLBFHolt31 min
Sep 11, 1:42 AM CDTAreal Flood AdvisoryLBFBrown, Rock3 hr
Sep 11, 2:39 AM CDTFlash Flood WarningLBFBrown, Holt, Rock8 hr
Sep 11, 2:45 AM CDTAreal Flood AdvisoryLBFHolt3 hr
Sep 11, 3:16 AM CDTSpecial Weather StatementLBFGarfield, Holt, Wheeler44 min
Sep 11, 4:04 AM CDTFlash Flood WarningLBFHolt6 hr
Sep 11, 4:08 AM CDTFlash Flood WatchLBFBlaine, Boyd, Brown, Cherry, Custer, Holt and 4 more27 hr
Sep 11, 4:15 AM CDTAreal Flood AdvisoryLBFCherry6 hr
Sep 11, 8:34 AM CDTDense Fog AdvisoryLBFSheridan2 hr
Sep 11, 9:59 AM CDTAreal Flood WarningLBFBoyd, Brown, Holt, Keya Paha, Rock6 hr
Sep 11, 3:56 PM CDTAreal Flood WarningLBFHolt12 hr
Sep 11, 4:46 PM CDTSpecial Weather StatementLBFSheridan44 min
Sep 11, 5:02 PM CDTSevere Thunderstorm WarningLBFSheridan24 min
Sep 11, 5:17 PM CDTSpecial Weather StatementLBFSheridan28 min
Sep 11, 5:22 PM CDTSevere Thunderstorm WarningLBFSheridan38 min
Sep 11, 5:53 PM CDTSpecial Weather StatementLBFPerkins37 min
Sep 11, 5:55 PM CDTSpecial Weather StatementLBFSheridan50 min
Sep 11, 5:56 PM CDTSpecial Weather StatementLBFSheridan49 min
Sep 11, 5:58 PM CDTAreal Flood AdvisoryLBFCuster3 hr
Sep 11, 6:08 PM CDTSpecial Weather StatementLBFLincoln37 min
Sep 11, 6:13 PM CDTSpecial Weather StatementLBFLoup47 min
Sep 11, 6:20 PM CDTSevere Thunderstorm WarningLBFBlaine, Custer, Loup40 min
Sep 11, 6:22 PM CDTSevere Thunderstorm WarningLBFChase38 min
Sep 11, 6:23 PM CDTSevere Thunderstorm WarningLBFCherry37 min
Sep 11, 6:27 PM CDTSpecial Weather StatementLBFGrant33 min
Sep 11, 6:28 PM CDTSevere Thunderstorm WarningLBFLincoln, McPherson47 min
Sep 11, 6:36 PM CDTSevere Thunderstorm WarningLBFArthur, Garden, Grant39 min
Sep 11, 6:38 PM CDTTornado WarningLBFCherry41 min
Sep 11, 6:40 PM CDTAreal Flood AdvisoryLBFCuster3 hr
Sep 11, 6:45 PM CDTSpecial Weather StatementLBFCuster45 min
Sep 11, 6:50 PM CDTSevere Thunderstorm WarningLBFCuster14 min
Sep 11, 6:53 PM CDTSevere Thunderstorm WarningLBFKeith, Perkins52 min
Sep 11, 6:53 PM CDTTornado WarningLBFGrant, Hooker37 min
Sep 11, 6:56 PM CDTSevere Thunderstorm WarningLBFChase, Perkins49 min
Sep 11, 6:58 PM CDTFlash Flood WarningLBFHolt13 hr

Nearby

Severe Thunderstorm Warnings in Nebraska, 2019Every severe thunderstorm warning in 2019

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.