Alert archive / Nebraska / Severe Thunderstorm Warnings in 2012
Severe Thunderstorm Warning 157, NWS North Platte, NE
NWS North Platte, NE issued this severe thunderstorm warning at Aug 1, 2012, 2:23 PM MDT for Garden County, Nebraska. It was in force for 52 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
- Aug 1, 2012, 2:23 PM MDT (20:23 UTC)
- Expired
- Aug 1, 2012, 3:15 PM MDT
- In force
- 52 min
- Issued by
- NWS North Platte, NE
- Area
- Storm-based polygon
- Hail
- 1.0 in
- Wind
- 60.0 mph
County Garden County, NE
The radar
The North Platte radar (KLNX), 141 km from the middle of the area, began a volume at 20:24 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
| Time | Report | Where | Remark |
|---|---|---|---|
| Aug 1, 2:30 PM MDT | HAIL 0.88 | Crescent Lake Nwr, NE |
Local storm reports filed while the alert was in force, from inside its polygon or its counties.
The watch it was issued in
The SPC watch in force over the same counties when this warning went out.
| Issued | Product | Office | Lasted |
|---|---|---|---|
| Aug 1, 2:19 PM MDT | Severe Thunderstorm Watch | SPC | 6 hr |
The nearest sounding before it
N. Platte/Lee Bi, NE (KLBF), launched 12:00Z, 8.4 hours before the alert went out and 154 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
- 756 J/kg
- Mixed-layer CIN
- -301 J/kg
- Mixed-layer LCL
- 1649 m above ground
- 0-6 km bulk shear
- 27 kt
- 0-1 km storm-relative helicity
- 212 m²/s²
- 0-3 km storm-relative helicity
- 240 m²/s²
- Significant tornado parameter
- 0.0
- Supercell composite
- 0.3
The text
As transmitted, in the capitals the NWS used until 2016.
082 WUUS53 KLBF 012023 SVRLBF NEC069-012115- /O.NEW.KLBF.SV.W.0157.120801T2023Z-120801T2115Z/ BULLETIN - IMMEDIATE BROADCAST REQUESTED SEVERE THUNDERSTORM WARNING NATIONAL WEATHER SERVICE NORTH PLATTE NE 223 PM MDT WED AUG 1 2012 THE NATIONAL WEATHER SERVICE IN NORTH PLATTE HAS ISSUED A * SEVERE THUNDERSTORM WARNING FOR... NORTHERN GARDEN COUNTY IN THE PANHANDLE OF NEBRASKA... * UNTIL 315 PM MDT * AT 219 PM MDT...NATIONAL WEATHER SERVICE DOPPLER RADAR INDICATED A SEVERE THUNDERSTORM CAPABLE OF PRODUCING QUARTER SIZE HAIL...AND DAMAGING WINDS IN EXCESS OF 60 MPH. THIS STORM WAS LOCATED NEAR CRESCENT LAKE NWR...OR 24 MILES NORTH OF OSHKOSH...AND MOVING EAST AT 25 MPH. * THE SEVERE THUNDERSTORM WILL BE NEAR... DEER LAKE AROUND 240 PM MDT. BRITTON LAKE AROUND 245 PM MDT. PRECAUTIONARY/PREPAREDNESS ACTIONS... SEVERE THUNDERSTORMS PRODUCE DAMAGING WIND IN EXCESS OF 60 MILES PER HOUR...DESTRUCTIVE HAIL...DEADLY LIGHTNING...AND VERY HEAVY RAIN. FOR YOUR PROTECTION MOVE TO AN INTERIOR ROOM ON THE LOWEST FLOOR OF YOUR HOME OR BUSINESS. HEAVY RAINS FLOOD ROADS QUICKLY SO DO NOT DRIVE INTO AREAS WHERE WATER COVERS THE ROAD. && LAT...LON 4185 10208 4162 10207 4166 10251 4181 10252 TIME...MOT...LOC 2023Z 267DEG 21KT 4174 10243 WIND...HAIL 60MPH 1.00IN $$ TAYLOR
2 follow-up statements
087 WWUS53 KLBF 012040 SVSLBF SEVERE WEATHER STATEMENT NATIONAL WEATHER SERVICE NORTH PLATTE NE 340 PM CDT WED AUG 1 2012 NEC069-012115- /O.CON.KLBF.SV.W.0157.000000T0000Z-120801T2115Z/ GARDEN NE- 240 PM MDT WED AUG 1 2012 ...A SEVERE THUNDERSTORM WARNING REMAINS IN EFFECT FOR NORTHERN GARDEN COUNTY UNTIL 315 PM MDT... AT 238 PM MDT...NATIONAL WEATHER SERVICE DOPPLER RADAR INDICATED A SEVERE THUNDERSTORM CAPABLE OF PRODUCING QUARTER SIZE HAIL...AND DAMAGING WINDS IN EXCESS OF 60 MPH. THIS STORM WAS LOCATED NEAR DEER LAKE...OR 23 MILES NORTH OF OSHKOSH...MOVING EAST AT 25 MPH. IN ADDITION...NICKEL SIZE HAIL WAS REPORTED AT CRESCENT LAKE NATIONAL WILDLIFE REFUGE WITH THIS STORM. THE SEVERE THUNDERSTORM WILL BE NEAR... DEER LAKE AROUND 245 PM MDT. BRITTON LAKE AROUND 250 PM MDT. PRECAUTIONARY/PREPAREDNESS ACTIONS... SEVERE THUNDERSTORMS PRODUCE DAMAGING WIND IN EXCESS OF 60 MILES PER HOUR...DESTRUCTIVE HAIL...DEADLY LIGHTNING...AND VERY HEAVY RAIN. FOR YOUR PROTECTION MOVE TO AN INTERIOR ROOM ON THE LOWEST FLOOR OF YOUR HOME OR BUSINESS. HEAVY RAINS FLOOD ROADS QUICKLY SO DO NOT DRIVE INTO AREAS WHERE WATER COVERS THE ROAD. && LAT...LON 4185 10208 4162 10207 4166 10251 4181 10252 TIME...MOT...LOC 2039Z 267DEG 21KT 4174 10234 WIND...HAIL 60MPH 1.00IN $$ TAYLOR
525 WWUS53 KLBF 012115 SVSLBF SEVERE WEATHER STATEMENT NATIONAL WEATHER SERVICE NORTH PLATTE NE 415 PM CDT WED AUG 1 2012 NEC069-012125- /O.EXP.KLBF.SV.W.0157.000000T0000Z-120801T2115Z/ GARDEN NE- 315 PM MDT WED AUG 1 2012 ...THE SEVERE THUNDERSTORM WARNING FOR NORTHERN GARDEN COUNTY HAS EXPIRED... THE STORM WHICH PROMPTED THE WARNING HAS WEAKENED BELOW SEVERE LIMITS...AND NO LONGER POSES AN IMMEDIATE THREAT TO LIFE OR PROPERTY. HOWEVER GUSTY WINDS ARE STILL POSSIBLE WITH THIS THUNDERSTORM. LAT...LON 4185 10208 4162 10207 4166 10251 4181 10252 TIME...MOT...LOC 2115Z 267DEG 21KT 4175 10206 $$ TAYLOR
The office that day
Everything else NWS North Platte, NE issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Aug 1, 2:19 PM MDT | Severe Thunderstorm Warning | LBF | Sheridan | 56 min |
| Aug 1, 3:15 PM MDT | Severe Thunderstorm Warning | LBF | Sheridan | 44 min |
| Aug 1, 4:03 PM MDT | Severe Thunderstorm Warning | LBF | Arthur, Grant | 42 min |
| Aug 1, 5:00 PM MDT | Severe Thunderstorm Warning | LBF | Brown, Cherry, Keya Paha | 60 min |
| Aug 1, 5:10 PM MDT | Severe Thunderstorm Warning | LBF | Arthur, Keith, Lincoln, McPherson | 50 min |
| Aug 1, 5:44 PM MDT | Severe Thunderstorm Warning | LBF | Brown, Cherry, Keya Paha, Rock | 46 min |
Nearby
Severe Thunderstorm Warnings in Nebraska, 2012Every severe thunderstorm warning in 2012
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.