Alert archive / Nebraska / Severe Thunderstorm Warnings in 2012

Severe Thunderstorm Warning 53, NWS North Platte, NE

May 4, 2012Cherry County, Hooker County, Thomas County, Nebraska

NWS North Platte, NE issued this severe thunderstorm warning at May 4, 2012, 3:44 PM MDT for Cherry County, Hooker County, Thomas County, Nebraska. It was in force for 27 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: May 4, 2012, 3:44 PM MDT (21:44 UTC)
Expired: May 4, 2012, 4:11 PM MDT
In force: 27 min
Issued by: NWS North Platte, NE
Area: Storm-based polygon
Hail: 1.0 in
Wind: 60.0 mph

Counties Cherry County, NE, Hooker County, NE, Thomas County, NE

The radar

The North Platte radar (KLNX), 12 km from the middle of the area, began a volume at 21:44 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
May 4, 3:50 PM MDT	HAIL 0.88	10 Nw Thedford, 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
May 4, 1:00 PM MDT	Severe Thunderstorm Watch	SPC	9 hr

The nearest sounding before it

N. Platte/Lee Bi, NE (KLBF), launched 12:00Z, 9.7 hours before the alert went out and 104 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-p

Temperature in red, dew point in green, the mixed-layer parcel dashed.

Hodograph

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: 1902 J/kg
Mixed-layer CIN: -97 J/kg
Mixed-layer LCL: 750 m above ground
0-6 km bulk shear: 24 kt
0-1 km storm-relative helicity: 88 m²/s²
0-3 km storm-relative helicity: 198 m²/s²
Significant tornado parameter: 0.0
Supercell composite: 6.1

Open this sounding in Storm Lab

The text

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

475 
WUUS53 KLBF 042144
SVRLBF
NEC031-091-171-042245-
/O.NEW.KLBF.SV.W.0053.120504T2144Z-120504T2245Z/

BULLETIN - IMMEDIATE BROADCAST REQUESTED
SEVERE THUNDERSTORM WARNING
NATIONAL WEATHER SERVICE NORTH PLATTE NE
444 PM CDT FRI MAY 4 2012

THE NATIONAL WEATHER SERVICE IN NORTH PLATTE HAS ISSUED A

* SEVERE THUNDERSTORM WARNING FOR...
  SOUTHEASTERN CHERRY COUNTY IN NORTH CENTRAL NEBRASKA...
  NORTHEASTERN HOOKER COUNTY IN WEST CENTRAL NEBRASKA...
  THOMAS COUNTY IN NORTH CENTRAL NEBRASKA...

* UNTIL 545 PM CDT/445 PM MDT/

* AT 439 PM CDT...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   
SENECA...OR 12 MILES EAST OF MULLEN...AND MOVING EAST SOUTHEAST AT 20 MPH.

* LOCATIONS IMPACTED INCLUDE...
  THEDFORD...HIGHWAY 2 MILE MARKER 200...HIGHWAY 83 MILE MARKER
  160...HIGHWAY 83 MILE MARKER 140 AND HIGHWAY 2 MILE MARKER 220.

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.

TO REPORT SEVERE WEATHER...CONTACT YOUR NEAREST LAW ENFORCEMENT
AGENCY. THEY WILL RELAY YOUR REPORT TO THE NATIONAL WEATHER SERVICE
IN NORTH PLATTE.

&&

LAT...LON 4220 10029 4179 10028 4195 10091 4216 10090
TIME...MOT...LOC 2144Z 289DEG 19KT 4206 10079
WIND...HAIL 60MPH 1.00IN

$$

BUTTLER

2 follow-up statements

566 
WWUS53 KLBF 042202
SVSLBF

SEVERE WEATHER STATEMENT
NATIONAL WEATHER SERVICE NORTH PLATTE NE
502 PM CDT FRI MAY 4 2012

NEC091-042212-
/O.CAN.KLBF.SV.W.0053.000000T0000Z-120504T2245Z/
HOOKER NE-
402 PM MDT FRI MAY 4 2012

...THE SEVERE THUNDERSTORM WARNING FOR NORTHEASTERN HOOKER COUNTY IS
CANCELLED...

THE STORM WHICH PROMPTED THE WARNING HAS MOVED OUT OF THE WARNED 
AREA.

TO REPORT SEVERE WEATHER...CONTACT YOUR NEAREST LAW ENFORCEMENT
AGENCY. THEY WILL RELAY YOUR REPORT TO THE NATIONAL WEATHER SERVICE
IN NORTH PLATTE.

LAT...LON 4216 10030 4179 10028 4193 10084 4208 10083
TIME...MOT...LOC 2202Z 289DEG 11KT 4204 10071

$$

NEC031-171-042245-
/O.CON.KLBF.SV.W.0053.000000T0000Z-120504T2245Z/
THOMAS NE-CHERRY NE-
502 PM CDT FRI MAY 4 2012

...A SEVERE THUNDERSTORM WARNING REMAINS IN EFFECT FOR SOUTHEASTERN
CHERRY AND NORTHERN THOMAS COUNTIES UNTIL 545 PM CDT/445 PM MDT/...

AT 458 PM CDT...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 5 MILES 
EAST OF SENECA...OR 9 MILES NORTHWEST OF THEDFORD...MOVING EAST SOUTHEAST AT 
15 MPH.

LOCATIONS IMPACTED INCLUDE...
  THEDFORD...HIGHWAY 2 MILE MARKER 220 AND HIGHWAY 83 MILE MARKER
  140.

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.

TO REPORT SEVERE WEATHER...CONTACT YOUR NEAREST LAW ENFORCEMENT
AGENCY. THEY WILL RELAY YOUR REPORT TO THE NATIONAL WEATHER SERVICE
IN NORTH PLATTE.

&&

LAT...LON 4216 10030 4179 10028 4193 10084 4208 10083
TIME...MOT...LOC 2202Z 289DEG 11KT 4204 10071
WIND...HAIL 60MPH 1.00IN

$$

BUTTLER

579 
WWUS53 KLBF 042211
SVSLBF

SEVERE WEATHER STATEMENT
NATIONAL WEATHER SERVICE NORTH PLATTE NE
411 PM MDT FRI MAY 4 2012

NEC031-171-042221-
/O.CAN.KLBF.SV.W.0053.000000T0000Z-120504T2245Z/
THOMAS NE-CHERRY NE-
511 PM CDT FRI MAY 4 2012

...THE SEVERE THUNDERSTORM WARNING FOR SOUTHEASTERN CHERRY AND THOMAS
COUNTIES IS CANCELLED...

THE STORM WHICH PROMPTED THE WARNING HAS WEAKENED BELOW SEVERE
LIMITS...AND NO LONGER POSES AN IMMEDIATE THREAT TO LIFE OR PROPERTY.

ADDITIONAL STRONG THUNDERSTORMS ARE STILL POSSIBLE...AND A SEVERE 
THUNDERSTORM WATCH REMAINS IN EFFECT UNTIL 9 PM CDT (8 PM MDT).

TO REPORT SEVERE WEATHER...CONTACT YOUR NEAREST LAW ENFORCEMENT
AGENCY. THEY WILL RELAY YOUR REPORT TO THE NATIONAL WEATHER SERVICE
IN NORTH PLATTE.

LAT...LON 4216 10030 4179 10028 4193 10084 4208 10083
TIME...MOT...LOC 2211Z 289DEG 11KT 4203 10067

$$

BUTTLER

The office that day

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

Issued	Product	Office	Counties	Lasted
May 4, 2:14 AM MDT	Dense Fog Advisory	LBF	Arthur, Chase, Custer, Deuel, Frontier, Hayes and 5 more	3 hr
May 4, 2:34 PM MDT	Severe Thunderstorm Warning	LBF	Boyd, Holt	41 min
May 4, 2:50 PM MDT	Severe Thunderstorm Warning	LBF	Cherry, Hooker	40 min
May 4, 3:14 PM MDT	Severe Thunderstorm Warning	LBF	Boyd, Holt	16 min
May 4, 3:35 PM MDT	Severe Thunderstorm Warning	LBF	Blaine, Loup	40 min
May 4, 4:10 PM MDT	Severe Thunderstorm Warning	LBF	Loup	50 min
May 4, 4:24 PM MDT	Tornado Warning	LBF	Loup	36 min
May 4, 4:41 PM MDT	Severe Thunderstorm Warning	LBF	Garfield, Loup	49 min
May 4, 4:50 PM MDT	Severe Thunderstorm Warning	LBF	Custer, Garfield, Loup	29 min
May 4, 5:10 PM MDT	Severe Thunderstorm Warning	LBF	Garfield, Wheeler	50 min
May 4, 5:32 PM MDT	Tornado Warning	LBF	Garfield, Wheeler	28 min

Nearby

Severe Thunderstorm Warnings in Nebraska, 2012 Every 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.