Alert archive / Nebraska / Severe Thunderstorm Warnings in 2012

Severe Thunderstorm Warning 21, NWS Hastings, NE

April 14, 2012Sherman County, Valley County, Nebraska

NWS Hastings, NE issued this severe thunderstorm warning at Apr 14, 2012, 10:25 AM CDT for Sherman County, Valley County, Nebraska. It was in force for 50 min. 3 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: Apr 14, 2012, 10:25 AM CDT (15:25 UTC)
Expired: Apr 14, 2012, 11:15 AM CDT
In force: 50 min
Issued by: NWS Hastings, NE
Area: Storm-based polygon
Hail: 1.0 in
Wind: 50.0 mph

Counties Sherman County, NE, Valley County, NE

The radar

The North Platte radar (KLNX), 136 km from the middle of the area, began a volume at 15:27 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
Apr 14, 10:38 AM CDT	HAIL 1.75	4 E Arcadia, NE	DELAYED REPORT OF GOLF BALL SIZE HAIL. TIME OF EVENT ESTIMATED FROM RADAR DATA.
Apr 14, 10:55 AM CDT	HAIL 0.75	5 S Ord, NE
Apr 14, 10:55 AM CDT	HAIL 0.88	Ord, NE	NICKEL SIZE HAIL IN ORD.

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

The nearest sounding before it

N. Platte/Lee Bi, NE (KLBF), launched 12:00Z, 3.4 hours before the alert went out and 138 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: 0 J/kg
Mixed-layer CIN: No buoyant parcel
Mixed-layer LCL: 1610 m above ground
0-6 km bulk shear: 69 kt
0-1 km storm-relative helicity: 192 m²/s²
0-3 km storm-relative helicity: 202 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.

691 
WUUS53 KGID 141525
SVRGID
NEC163-175-141615-
/O.NEW.KGID.SV.W.0021.120414T1525Z-120414T1615Z/

BULLETIN - IMMEDIATE BROADCAST REQUESTED
SEVERE THUNDERSTORM WARNING
NATIONAL WEATHER SERVICE HASTINGS NE
1025 AM CDT SAT APR 14 2012

THE NATIONAL WEATHER SERVICE IN HASTINGS HAS ISSUED A

* SEVERE THUNDERSTORM WARNING FOR...
  NORTHWESTERN SHERMAN COUNTY IN CENTRAL NEBRASKA...
  VALLEY COUNTY IN CENTRAL NEBRASKA...

* UNTIL 1115 AM CDT

* AT 1022 AM CDT...NATIONAL WEATHER SERVICE DOPPLER RADAR INDICATED A
  SEVERE THUNDERSTORM CAPABLE OF PRODUCING QUARTER SIZE HAIL.  THIS
  STORM WAS LOCATED 6 MILES SOUTH OF ARCADIA...OR 21 MILES SOUTHWEST
  OF ORD...AND MOVING NORTH AT 40 MPH.

* LOCATIONS IMPACTED INCLUDE...
  ORD...ARCADIA...ELYRIA AND FORT HARTSUFF STATE PARK.

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 4174 9883 4174 9882 4165 9886 4122 9905
      4126 9921 4139 9921 4140 9922 4147 9922
      4174 9915
TIME...MOT...LOC 1525Z 195DEG 36KT 4137 9912
WIND...HAIL <50MPH 1.00IN

$$
HEINLEIN

3 follow-up statements

279 
WWUS53 KGID 141537
SVSGID

SEVERE WEATHER STATEMENT
NATIONAL WEATHER SERVICE HASTINGS NE
1037 AM CDT SAT APR 14 2012

NEC163-175-141615-
/O.CON.KGID.SV.W.0021.000000T0000Z-120414T1615Z/
SHERMAN NE-VALLEY NE-
1037 AM CDT SAT APR 14 2012

...A SEVERE THUNDERSTORM WARNING REMAINS IN EFFECT FOR VALLEY AND
NORTHWESTERN SHERMAN COUNTIES UNTIL 1115 AM CDT...

AT 1036 AM CDT...NATIONAL WEATHER SERVICE DOPPLER RADAR INDICATED A
SEVERE THUNDERSTORM CAPABLE OF PRODUCING QUARTER SIZE HAIL.  THIS
STORM WAS LOCATED 8 MILES EAST OF ARCADIA...OR 11 MILES SOUTH OF
ORD...MOVING NORTH AT 40 MPH.

LOCATIONS IMPACTED INCLUDE...
  ORD...ELYRIA AND FORT HARTSUFF STATE PARK.

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 4174 9882 4137 9899 4136 9907 4139 9911
      4139 9921 4140 9922 4147 9922 4174 9915
TIME...MOT...LOC 1537Z 195DEG 36KT 4146 9898
WIND...HAIL <50MPH 1.00IN

$$

HEINLEIN

678 
WWUS53 KGID 141549
SVSGID

SEVERE WEATHER STATEMENT
NATIONAL WEATHER SERVICE HASTINGS NE
1049 AM CDT SAT APR 14 2012

NEC163-141557-
/O.CAN.KGID.SV.W.0021.000000T0000Z-120414T1615Z/
SHERMAN NE-
1049 AM CDT SAT APR 14 2012

...THE SEVERE THUNDERSTORM WARNING FOR NORTHWESTERN SHERMAN COUNTY IS
CANCELLED...

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

LAT...LON 4174 9882 4142 9897 4143 9904 4147 9913
      4147 9918 4147 9922 4174 9915
TIME...MOT...LOC 1547Z 195DEG 36KT 4156 9895

$$

NEC175-141615-
/O.CON.KGID.SV.W.0021.000000T0000Z-120414T1615Z/
VALLEY NE-
1049 AM CDT SAT APR 14 2012

...A SEVERE THUNDERSTORM WARNING REMAINS IN EFFECT FOR WESTERN 
VALLEY COUNTY UNTIL 1115 AM CDT AND FOR THE REST OF VALLEY COUNTY 
UNTIL 1130 AM CDT...

AT 1045 AM CDT...NATIONAL WEATHER SERVICE DOPPLER RADAR INDICATED A
SEVERE THUNDERSTORM CAPABLE OF PRODUCING QUARTER SIZE HAIL.  THIS
STORM WAS LOCATED NEAR ORD...MOVING NORTH AT 40 MPH.

LOCATIONS IMPACTED INCLUDE...
  ORD...ELYRIA AND FORT HARTSUFF STATE PARK.

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 4174 9882 4142 9897 4143 9904 4147 9913
      4147 9918 4147 9922 4174 9915
TIME...MOT...LOC 1547Z 195DEG 36KT 4156 9895
WIND...HAIL <50MPH 1.00IN

$$

HEINLEIN

412 
WWUS53 KGID 141611
SVSGID

SEVERE WEATHER STATEMENT
NATIONAL WEATHER SERVICE HASTINGS NE
1111 AM CDT SAT APR 14 2012

NEC175-141620-
/O.EXP.KGID.SV.W.0021.000000T0000Z-120414T1615Z/
VALLEY NE-
1111 AM CDT SAT APR 14 2012

...THE SEVERE THUNDERSTORM WARNING FOR WESTERN VALLEY COUNTY WILL 
EXPIRE AT 1115 AM CDT...

...THE SEVERE THUNDERSTORM WARNING FOR CENTRAL AND EASTERN VALLEY 
COUNTY IS IN EFFECT UNTIL 1130 AM CDT...

LAT...LON 4174 9882 4142 9897 4143 9904 4147 9913
      4147 9918 4147 9922 4174 9915
TIME...MOT...LOC 1610Z 195DEG 36KT 4178 9887

$$

HEINLEIN

The office that day

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

Issued	Product	Office	Counties	Lasted
Apr 14, 9:23 AM CDT	Special Weather Statement	GID	Dawson	22 min
Apr 14, 9:29 AM CDT	Special Weather Statement	GID	Dawson	16 min
Apr 14, 9:57 AM CDT	Special Weather Statement	GID	Fillmore, Thayer	48 min
Apr 14, 10:17 AM CDT	Special Weather Statement	GID	Valley	43 min
Apr 14, 10:44 AM CDT	Severe Thunderstorm Warning	GID	Greeley, Valley	46 min
Apr 14, 11:18 AM CDT	Severe Thunderstorm Warning	GID	Greeley	31 min
Apr 14, 11:43 AM CDT	Severe Thunderstorm Warning	GID	Greeley	21 min
Apr 14, 12:11 PM CDT	Severe Thunderstorm Warning	GID	Franklin, Harlan	27 min
Apr 14, 12:42 PM CDT	Severe Thunderstorm Warning	GID	Nuckolls, Webster	48 min
Apr 14, 12:52 PM CDT	Tornado Warning	GID	Nuckolls	38 min
Apr 14, 1:02 PM CDT	Severe Thunderstorm Warning	GID	Franklin	23 min
Apr 14, 1:26 PM CDT	Severe Thunderstorm Warning	GID	Nuckolls, Webster	49 min
Apr 14, 2:15 PM CDT	Severe Thunderstorm Warning	GID	Nuckolls, Thayer	45 min
Apr 14, 2:25 PM CDT	Tornado Warning	GID	Nuckolls, Thayer	35 min
Apr 14, 3:01 PM CDT	Tornado Warning	GID	Fillmore, Thayer	14 min
Apr 14, 5:12 PM CDT	Special Weather Statement	GID	Furnas	33 min
Apr 14, 5:26 PM CDT	Severe Thunderstorm Warning	GID	Furnas, Gosper	49 min
Apr 14, 5:33 PM CDT	Tornado Warning	GID	Furnas	27 min
Apr 14, 5:38 PM CDT	Special Weather Statement	GID	York	37 min
Apr 14, 5:56 PM CDT	Tornado Warning	GID	Furnas, Gosper, Harlan, Phelps	49 min
Apr 14, 6:01 PM CDT	Severe Thunderstorm Warning	GID	Buffalo, Dawson, Gosper, Phelps	44 min
Apr 14, 6:49 PM CDT	Special Weather Statement	GID	Dawson	26 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.