Alert archive / Nebraska / Severe Thunderstorm Warnings in 2014

Severe Thunderstorm Warning 252, NWS Hastings, NE

July 31, 2014York County, Nebraska

NWS Hastings, NE issued this severe thunderstorm warning at Jul 31, 2014, 5:43 PM CDT for York County, Nebraska. It was in force for 36 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 31, 2014, 5:43 PM CDT (22:43 UTC)
Expired
Jul 31, 2014, 6:19 PM CDT
In force
36 min
Issued by
NWS Hastings, NE
Area
Storm-based polygon
Hail
1.5 in
Wind
50.0 mph

County York County, NE

The radar

The Grand Island radar (KUEX), 99 km from the middle of the area, began a volume at 22:47 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 31, 5:47 PM CDTHAIL 1.253 Ne York, NEPUBLIC REPORT OF HAIL UP TO HALF DOLLAR SIZE FOR APPROXIMATELY 10 MINUTES.
Jul 31, 6:05 PM CDTHAIL 1.256 Ese York, NEDELAYED REPORT OF A FEW HAIL STONES UP TO HALF DOLLAR SIZE ON THURSDAY JUST NORTH OF I-80. TIME ESTIMATED FROM RADAR.

Local storm reports filed while the alert was in force, from inside its polygon or its counties.

The nearest sounding before it

Omaha, NE (KOAX), launched 12:00Z, 10.7 hours before the alert went out and 108 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, Omaha, NE at 12:00Z on 2014-07-31Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 0 joules per kilogram.LCL10008507005003002001001 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, Omaha, NE at 12:00Z on 2014-07-31The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 54 square meters per square second.19395878Sfc1 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
0 J/kg
Mixed-layer CIN
No buoyant parcel
Mixed-layer LCL
1597 m above ground
0-6 km bulk shear
30 kt
0-1 km storm-relative helicity
54 m²/s²
0-3 km storm-relative helicity
48 m²/s²
Significant tornado parameter
0.0
Supercell composite
0.0

Open this sounding in Storm Lab

The text

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

020 
WUUS53 KGID 312243
SVRGID
NEC185-312330-
/O.NEW.KGID.SV.W.0252.140731T2243Z-140731T2330Z/

BULLETIN - IMMEDIATE BROADCAST REQUESTED
SEVERE THUNDERSTORM WARNING
NATIONAL WEATHER SERVICE HASTINGS NE
543 PM CDT THU JUL 31 2014

THE NATIONAL WEATHER SERVICE IN HASTINGS HAS ISSUED A

* SEVERE THUNDERSTORM WARNING FOR...
  EASTERN YORK COUNTY IN EAST CENTRAL NEBRASKA...

* UNTIL 630 PM CDT

* AT 542 PM CDT...A SEVERE THUNDERSTORM WAS LOCATED OVER WACO...OR
  NEAR YORK...MOVING SOUTHEAST AT 20 MPH.

  HAZARD...PING PONG BALL SIZE HAIL. 

  SOURCE...RADAR INDICATED. 

  IMPACT...PEOPLE AND ANIMALS OUTDOORS WILL BE INJURED. EXPECT 
           DAMAGE TO ROOFS...SIDING...WINDOWS AND VEHICLES. 

* LOCATIONS IMPACTED INCLUDE...
  YORK...WACO AND THAYER. 

PRECAUTIONARY/PREPAREDNESS ACTIONS...

PREPARE IMMEDIATELY FOR LARGE HAIL AND DEADLY CLOUD TO GROUND
LIGHTNING. SEEK SHELTER INSIDE A WELL-BUILT STRUCTURE. STAY AWAY FROM
WINDOWS.

&&

LAT...LON 4070 9757 4096 9765 4101 9738 4091 9737
      4070 9737
TIME...MOT...LOC 2242Z 334DEG 18KT 4089 9751 

HAIL...1.50IN
WIND...<50MPH

$$

FAY
3 follow-up statements
842 
WWUS53 KGID 312257
SVSGID

SEVERE WEATHER STATEMENT
NATIONAL WEATHER SERVICE HASTINGS NE
557 PM CDT THU JUL 31 2014

NEC185-312330-
/O.CON.KGID.SV.W.0252.000000T0000Z-140731T2330Z/
YORK NE-
557 PM CDT THU JUL 31 2014

...A SEVERE THUNDERSTORM WARNING REMAINS IN EFFECT UNTIL 630 PM CDT
FOR SOUTHEASTERN YORK COUNTY...

AT 556 PM CDT...A SEVERE THUNDERSTORM WAS LOCATED NEAR WACO...OR NEAR
YORK...MOVING SOUTH AT 25 MPH.

HAZARD...HALF DOLLAR SIZE HAIL. 

SOURCE...RADAR INDICATED. 

IMPACT...DAMAGE TO VEHICLES IS EXPECTED. 

LOCATIONS IMPACTED INCLUDE...
YORK AND WACO. 

PRECAUTIONARY/PREPAREDNESS ACTIONS...

PREPARE IMMEDIATELY FOR LARGE HAIL AND DEADLY CLOUD TO GROUND
LIGHTNING. SEEK SHELTER INSIDE A WELL-BUILT STRUCTURE. STAY AWAY FROM
WINDOWS.

&&

LAT...LON 4070 9757 4090 9763 4094 9738 4091 9737
      4070 9737
TIME...MOT...LOC 2256Z 338DEG 23KT 4083 9748 

HAIL...1.25IN
WIND...<50MPH

$$

FAY
712 
WWUS53 KGID 312308
SVSGID

SEVERE WEATHER STATEMENT
NATIONAL WEATHER SERVICE HASTINGS NE
608 PM CDT THU JUL 31 2014

NEC185-312330-
/O.CON.KGID.SV.W.0252.000000T0000Z-140731T2330Z/
YORK NE-
608 PM CDT THU JUL 31 2014

...A SEVERE THUNDERSTORM WARNING REMAINS IN EFFECT UNTIL 630 PM CDT
FOR SOUTHEASTERN YORK COUNTY...

AT 607 PM CDT...A SEVERE THUNDERSTORM WAS LOCATED 8 MILES EAST OF
MCCOOL JUNCTION...OR 10 MILES SOUTHEAST OF YORK...MOVING SOUTH AT 25
MPH.

HAZARD...HALF DOLLAR SIZE HAIL. 

SOURCE...RADAR INDICATED. AT 545 PM...HALF DOLLAR SIZE HAIL WAS
REPORTED THREE MILES NORTHEAST OF YORK. 

IMPACT...DAMAGE TO VEHICLES IS EXPECTED. 

THIS SEVERE THUNDERSTORM WILL REMAIN OVER MAINLY RURAL AREAS OF
SOUTHEASTERN YORK COUNTY.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

PREPARE IMMEDIATELY FOR LARGE HAIL AND DEADLY CLOUD TO GROUND
LIGHTNING. SEEK SHELTER INSIDE A WELL-BUILT STRUCTURE. STAY AWAY FROM
WINDOWS.

&&

LAT...LON 4070 9757 4087 9757 4090 9737 4070 9737
TIME...MOT...LOC 2307Z 338DEG 23KT 4077 9744 

HAIL...1.25IN
WIND...<50MPH

$$

FAY
946 
WWUS53 KGID 312319
SVSGID

SEVERE WEATHER STATEMENT
NATIONAL WEATHER SERVICE HASTINGS NE
619 PM CDT THU JUL 31 2014

NEC185-312329-
/O.CAN.KGID.SV.W.0252.000000T0000Z-140731T2330Z/
YORK NE-
619 PM CDT THU JUL 31 2014

...THE SEVERE THUNDERSTORM WARNING FOR SOUTHEASTERN YORK COUNTY IS
CANCELLED...
                
THE STORM WHICH PROMPTED THE WARNING HAS WEAKENED BELOW SEVERE
LIMITS...AND NO LONGER POSE AN IMMEDIATE THREAT TO LIFE OR PROPERTY.
THEREFORE THE WARNING HAS BEEN CANCELLED.

LAT...LON 4070 9757 4087 9757 4090 9737 4070 9737
TIME...MOT...LOC 2317Z 334DEG 18KT 4071 9740 

$$

FAY

The office that day

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

IssuedProductOfficeCountiesLasted
Jul 31, 3:27 PM CDTSpecial Weather StatementGIDPolk48 min
Jul 31, 4:01 PM CDTSpecial Weather StatementGIDPolk29 min
Jul 31, 4:47 PM CDTSpecial Weather StatementGIDPolk28 min
Jul 31, 5:00 PM CDTSevere Thunderstorm WarningGIDPolk, York45 min

Nearby

Severe Thunderstorm Warnings in Nebraska, 2014Every severe thunderstorm warning in 2014

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.