Alert archive / Nebraska / Severe Thunderstorm Warnings in 2011

Severe Thunderstorm Warning 331, NWS North Platte, NE

October 6, 2011Cherry County, Hooker County, Nebraska

NWS North Platte, NE issued this severe thunderstorm warning at Oct 6, 2011, 8:06 PM MDT for Cherry County, Hooker County, Nebraska. It was in force for 39 min. 2 reports 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: Oct 6, 2011, 8:06 PM MDT (02:06 UTC)
Expired: Oct 6, 2011, 8:45 PM MDT
In force: 39 min
Issued by: NWS North Platte, NE
Area: Storm-based polygon
Hail: 0.88 in
Wind: 70.0 mph

Counties Cherry County, NE, Hooker County, NE

The radar

The North Platte radar (KLNX), 33 km from the middle of the area, began a volume at 02:05 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
Oct 6, 8:28 PM MDT	TSTM WND GST 65	3 S Mullen, NE
Oct 6, 8:28 PM MDT	HAIL 0.75	3 S Mullen, 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
Oct 6, 2:32 PM MDT	Severe Thunderstorm Watch	SPC	9 hr

The nearest sounding before it

N. Platte/Lee Bi, NE (KLBF), launched 00:00Z, 2.1 hours before the alert went out and 112 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: 1031 J/kg
Mixed-layer CIN: -34 J/kg
Mixed-layer LCL: 1829 m above ground
0-6 km bulk shear: 50 kt
0-1 km storm-relative helicity: 324 m²/s²
0-3 km storm-relative helicity: 459 m²/s²
Significant tornado parameter: 0.4
Supercell composite: 13.0

Open this sounding in Storm Lab

The text

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

958 
WUUS53 KLBF 070206
SVRLBF
NEC031-091-070245-
/O.NEW.KLBF.SV.W.0331.111007T0206Z-111007T0245Z/

BULLETIN - IMMEDIATE BROADCAST REQUESTED
SEVERE THUNDERSTORM WARNING
NATIONAL WEATHER SERVICE NORTH PLATTE NE
806 PM MDT THU OCT 6 2011

THE NATIONAL WEATHER SERVICE IN NORTH PLATTE HAS ISSUED A

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

* UNTIL 845 PM MDT/945 PM CDT/

* AT 801 PM MDT...NATIONAL WEATHER SERVICE DOPPLER RADAR INDICATED A
  SEVERE THUNDERSTORM CAPABLE OF PRODUCING DESTRUCTIVE WINDS IN
  EXCESS OF 70 MPH.  THIS STORM WAS LOCATED 7 MILES WEST OF HIGHWAY
  97 CROSSING THE DISMAL RIVER...OR 13 MILES SOUTHWEST OF MULLEN...
  AND MOVING NORTHEAST AT 60 MPH. NICKEL SIZE HAIL MAY ALSO ACCOMPANY
  THESE DAMAGING WINDS.

* THE SEVERE THUNDERSTORM WILL BE NEAR...
  MULLEN AROUND 815 PM MDT.

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

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 4225 10067 4209 10083 4208 10084 4207 10084
      4183 10107 4191 10129 4239 10120
TIME...MOT...LOC 0206Z 206DEG 52KT 4195 10113
WIND...HAIL 70MPH 0.88IN

$$

TAYLOR

2 follow-up statements

467 
WWUS53 KLBF 070224
SVSLBF

SEVERE WEATHER STATEMENT
NATIONAL WEATHER SERVICE NORTH PLATTE NE
924 PM CDT THU OCT 6 2011

NEC031-091-070245-
/O.CON.KLBF.SV.W.0331.000000T0000Z-111007T0245Z/
HOOKER NE-CHERRY NE-
824 PM MDT THU OCT 6 2011

...A SEVERE THUNDERSTORM WARNING REMAINS IN EFFECT FOR SOUTH CENTRAL
CHERRY AND NORTHEASTERN HOOKER COUNTIES UNTIL 845 PM MDT/945 PM
CDT/...

AT 819 PM MDT...NATIONAL WEATHER SERVICE DOPPLER RADAR INDICATED A
LINE OF SEVERE THUNDERSTORMS CAPABLE OF PRODUCING DAMAGING WINDS IN
EXCESS OF 60 MPH.  THESE STORMS WERE LOCATED ALONG A LINE EXTENDING
FROM 10 MILES SOUTH OF HIGHWAY 97 CROSSING BIG CREEK TO HIGHWAY 97
CROSSING THE DISMAL RIVER...MOVING NORTHEAST AT 60 MPH. PENNY SIZE
HAIL MAY ALSO ACCOMPANY THESE DAMAGING WINDS.

SEVERE THUNDERSTORMS WILL AFFECT MAINLY RURAL AREAS OF NORTHEASTERN
HOOKER AND SOUTH CENTRAL CHERRY COUNTIES.

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 4225 10067 4209 10083 4208 10084 4207 10084
      4183 10107 4191 10129 4239 10120
TIME...MOT...LOC 0224Z 206DEG 52KT 4226 10101 4196 10105
WIND...HAIL 60MPH 0.75IN

$$

TAYLOR

214 
WWUS53 KLBF 070248
SVSLBF

SEVERE WEATHER STATEMENT
NATIONAL WEATHER SERVICE NORTH PLATTE NE
948 PM CDT THU OCT 6 2011

NEC031-091-070258-
/O.EXP.KLBF.SV.W.0331.000000T0000Z-111007T0245Z/
HOOKER NE-CHERRY NE-
848 PM MDT THU OCT 6 2011

...THE SEVERE THUNDERSTORM WARNING FOR SOUTH CENTRAL CHERRY AND
NORTHEASTERN HOOKER COUNTIES HAS EXPIRED...

THE LINE OF STORMS WHICH PROMPTED THE WARNING HAS WEAKENED AND MOVED
OUT OF THE WARNED AREA.  HOWEVER GUSTY WINDS AND HEAVY RAIN ARE STILL
POSSIBLE WITH THESE THUNDERSTORMS.

IN ADDITION...STRONG THUNDERSTORMS MAY REDEVELOP...AND A SEVERE 
THUNDERSTORM WATCH REMAINS IN EFFECT UNTIL 12 AM MDT.  

LAT...LON 4225 10067 4209 10083 4208 10084 4207 10084
      4183 10107 4191 10129 4239 10120
TIME...MOT...LOC 0224Z 206DEG 52KT 4226 10101 4196 10105

$$

TAYLOR

The office that day

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

Issued	Product	Office	Counties	Lasted
Oct 6, 6:01 PM MDT	Tornado Warning	LBF	Cherry	29 min
Oct 6, 6:37 PM MDT	Severe Thunderstorm Warning	LBF	Arthur, Keith, McPherson, Perkins	38 min
Oct 6, 7:07 PM MDT	Severe Thunderstorm Warning	LBF	Hooker, McPherson, Thomas	38 min
Oct 6, 7:15 PM MDT	Severe Thunderstorm Warning	LBF	Arthur, Keith, McPherson	45 min
Oct 6, 7:40 PM MDT	Severe Thunderstorm Warning	LBF	Cherry, Hooker, Thomas	50 min
Oct 6, 8:30 PM MDT	Severe Thunderstorm Warning	LBF	Cherry	45 min
Oct 6, 9:17 PM MDT	Severe Thunderstorm Warning	LBF	Cherry, Keya Paha	43 min
Oct 7, 2:50 AM MDT	Wind Advisory	LBF	Brown, Cherry, Keya Paha, Sheridan	12 hr
Oct 7, 3:07 AM MDT	Red Flag Warning	LBF	Arthur, Blaine, Boyd, Brown, Cherry, Deuel and 12 more	15 hr

Nearby

Severe Thunderstorm Warnings in Nebraska, 2011 Every severe thunderstorm warning in 2011

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.