Alert archive / Nebraska / Tornado Warnings in 2013

Tornado Warning 22, NWS North Platte, NE

July 7, 2013Hooker County, McPherson County, Thomas County, Nebraska

NWS North Platte, NE issued this tornado warning at Jul 7, 2013, 5:24 PM MDT for Hooker County, McPherson County, Thomas County, Nebraska. It was in force for 51 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
Jul 7, 2013, 5:24 PM MDT (23:24 UTC)
Expired
Jul 7, 2013, 6:15 PM MDT
In force
51 min
Issued by
NWS North Platte, NE
Area
Storm-based polygon
Tornado
Radar indicated
Hail
2.5 in

Counties Hooker County, NE, McPherson County, NE, Thomas County, NE

The radar

The North Platte radar (KLNX), 37 km from the middle of the area, began a volume at 23:26 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

TimeReportWhereRemark
Jul 7, 5:50 PM MDTHAIL 1.512 S Mullen, NEDEPUTY REPORTED CAR WINDSHIELD BROKEN BY PING PONG SIZE HAIL 12 MILES SOUTH OF MULLEN NEAR MILE MARKER 55.
Jul 7, 6:15 PM MDTHAIL 2.7519 S Mullen, NESTATE TROOPER REPORTED BASEBALL SIZE HAIL ON THE GROUND BETWEEN MILE MARKERS 46 TO 48 ON HWY 97.

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.

IssuedProductOfficeLasted
Jul 7, 5:03 PM MDTSevere Thunderstorm WatchSPC6 hr

The nearest sounding before it

N. Platte/Lee Bi, NE (KLBF), launched 12:00Z, 11.4 hours before the alert went out and 99 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 12:00Z on 2013-07-07Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 1937 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 12:00Z on 2013-07-07The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity -9 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
1937 J/kg
Mixed-layer CIN
-152 J/kg
Mixed-layer LCL
1310 m above ground
0-6 km bulk shear
20 kt
0-1 km storm-relative helicity
-9 m²/s²
0-3 km storm-relative helicity
74 m²/s²
Significant tornado parameter
0.0
Supercell composite
0.6

Open this sounding in Storm Lab

The text

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

812 
WFUS53 KLBF 072324
TORLBF
NEC091-117-171-080015-
/O.NEW.KLBF.TO.W.0022.130707T2324Z-130708T0015Z/

BULLETIN - EAS ACTIVATION REQUESTED
TORNADO WARNING
NATIONAL WEATHER SERVICE NORTH PLATTE NE
524 PM MDT SUN JUL 7 2013

THE NATIONAL WEATHER SERVICE IN NORTH PLATTE HAS ISSUED A

* TORNADO WARNING FOR...
  HOOKER COUNTY IN WEST CENTRAL NEBRASKA...
  NORTHEASTERN MCPHERSON COUNTY IN WEST CENTRAL NEBRASKA...
  SOUTHWESTERN THOMAS COUNTY IN NORTH CENTRAL NEBRASKA...

* UNTIL 615 PM MDT/715 PM CDT/

* AT 521 PM MDT...A SEVERE THUNDERSTORM CAPABLE OF PRODUCING A
  TORNADO WAS LOCATED 9 MILES SOUTHWEST OF MULLEN...AND MOVING
  SOUTHEAST AT 20 MPH.

  HAZARD...TORNADO AND TENNIS BALL SIZE HAIL.

  SOURCE...RADAR INDICATED ROTATION.

  IMPACT...MOBILE HOMES WILL BE DAMAGED OR DESTROYED. DAMAGE TO
           ROOFS...WINDOWS AND VEHICLES WILL OCCUR. FLYING DEBRIS
           WILL BE DEADLY TO PEOPLE AND ANIMALS. TREE DAMAGE IS
           LIKELY.

* LOCATIONS IMPACTED INCLUDE...
  MULLEN...KELSO...HIGHWAY 97 CROSSING THE DISMAL RIVER AND SHIMMONS
  LAKE.

THIS INCLUDES HIGHWAY 2 BETWEEN MILE MARKERS 172 AND 198.

THIS INCLUDES HIGHWAY 97 BETWEEN MILE MARKERS 45 AND 69.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

THIS TORNADO WARNING REPLACES THE SEVERE THUNDERSTORM WARNING THAT
WAS IN EFFECT FOR THE SAME AREA.

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.

&&

LAT...LON 4203 10078 4169 10077 4185 10140 4209 10125
      4209 10116
TIME...MOT...LOC 2324Z 298DEG 16KT 4199 10119

TORNADO...RADAR INDICATED
HAIL...2.50IN

$$

BUTTLER
1 follow-up statement
704 
WWUS53 KLBF 072354
SVSLBF

SEVERE WEATHER STATEMENT
NATIONAL WEATHER SERVICE NORTH PLATTE NE
654 PM CDT SUN JUL 7 2013

NEC091-117-171-080015-
/O.CON.KLBF.TO.W.0022.000000T0000Z-130708T0015Z/
HOOKER NE-MCPHERSON NE-THOMAS NE-
554 PM MDT SUN JUL 7 2013

...A TORNADO WARNING REMAINS IN EFFECT FOR SOUTHWESTERN THOMAS...
NORTHEASTERN MCPHERSON AND HOOKER COUNTIES UNTIL 615 PM MDT/715 PM
CDT/...

AT 549 PM MDT...A SEVERE THUNDERSTORM CAPABLE OF PRODUCING A TORNADO
WAS LOCATED 12 MILES SOUTH OF MULLEN...AND MOVING SOUTHEAST AT 30
MPH.

HAZARD...TORNADO AND GOLF BALL SIZE HAIL.

SOURCE...RADAR INDICATED ROTATION.

IMPACT...MOBILE HOMES WILL BE DAMAGED OR DESTROYED. DAMAGE TO
         ROOFS...WINDOWS AND VEHICLES WILL OCCUR. FLYING DEBRIS WILL
         BE DEADLY TO PEOPLE AND ANIMALS. TREE DAMAGE IS LIKELY.

LOCATIONS IMPACTED INCLUDE...
SHIMMONS LAKE.

THIS INCLUDES HIGHWAY 2 BETWEEN MILE MARKERS 172 AND 198.

THIS INCLUDES HIGHWAY 97 BETWEEN MILE MARKERS 45 AND 68.

AT 550 PM MDT...LAW ENFORCEMENT REPORTED PING PONG SIZED HAIL 12 
MILES SOUTH OF MULLEN NEAR MILE MARKER 55 ON HIGHWAY 97.

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.

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

&&

LAT...LON 4203 10078 4169 10077 4185 10140 4209 10125
      4209 10116
TIME...MOT...LOC 2353Z 309DEG 27KT 4185 10096

TORNADO...RADAR INDICATED
HAIL...1.75IN

$$

BUTTLER

The office that day

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

IssuedProductOfficeCountiesLasted
Jul 7, 4:42 PM MDTSevere Thunderstorm WarningLBFCherry, Grant, Hooker63 min
Jul 7, 5:14 PM MDTSevere Thunderstorm WarningLBFBoyd, Holt61 min

Nearby

Tornado Warnings in Nebraska, 2013Every tornado warning in 2013Tornadoes in 2013

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.