Alert archive / Nebraska / Severe Thunderstorm Warnings in 2009

Severe Thunderstorm Warning 21, NWS Hastings, NE

May 13, 2009Buffalo County, Dawson County, Sherman County, Nebraska

NWS Hastings, NE issued this severe thunderstorm warning at May 13, 2009, 1:50 AM CDT for Buffalo County, Dawson County, Sherman County, Nebraska. It was in force for 40 min. No storm report in the archive falls inside the area while it was in force.

The area

The outline as issued.

The facts

Issued: May 13, 2009, 1:50 AM CDT (06:50 UTC)
Expired: May 13, 2009, 2:30 AM CDT
In force: 40 min
Issued by: NWS Hastings, NE
Area: Storm-based polygon

Counties Buffalo County, NE, Dawson County, NE, Sherman County, NE

The radar

The Grand Island radar (KUEX), 102 km from the middle of the area, began a volume at 06:52 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.

The nearest sounding before it

N. Platte/Lee Bi, NE (KLBF), launched 00:00Z, 6.8 hours before the alert went out and 115 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: 276 J/kg
Mixed-layer CIN: -348 J/kg
Mixed-layer LCL: 1901 m above ground
0-6 km bulk shear: 46 kt
0-1 km storm-relative helicity: 57 m²/s²
0-3 km storm-relative helicity: 177 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.

000 
WUUS53 KGID 130650
SVRGID
NEC019-047-163-130730-
/O.NEW.KGID.SV.W.0021.090513T0650Z-090513T0730Z/

BULLETIN - IMMEDIATE BROADCAST REQUESTED
SEVERE THUNDERSTORM WARNING
NATIONAL WEATHER SERVICE HASTINGS NE
150 AM CDT WED MAY 13 2009

THE NATIONAL WEATHER SERVICE IN HASTINGS HAS ISSUED A

* SEVERE THUNDERSTORM WARNING FOR...
  NORTHERN BUFFALO COUNTY IN SOUTH CENTRAL NEBRASKA...
  EASTERN DAWSON COUNTY IN SOUTH CENTRAL NEBRASKA...
  SOUTHWESTERN SHERMAN COUNTY IN CENTRAL NEBRASKA...

* UNTIL 230 AM CDT

* AT 148 AM CDT...NATIONAL WEATHER SERVICE METEOROLOGISTS WERE
  TRACKING A LINE OF SEVERE THUNDERSTORMS CAPABLE OF PRODUCING
  QUARTER SIZE HAIL...AND DAMAGING WINDS IN EXCESS OF 60 MPH.  THESE
  STORMS WERE LOCATED ALONG A LINE EXTENDING FROM EDDYVILLE TO 6
  MILES NORTH OF OVERTON...OR ALONG A LINE EXTENDING FROM 19 MILES
  NORTHEAST OF LEXINGTON TO 10 MILES EAST OF LEXINGTON...AND MOVING
  EAST AT 45 MPH.

* SEVERE THUNDERSTORMS WILL BE NEAR...
  SUMNER AROUND 155 AM CDT.
  MILLER AROUND 200 AM CDT.
  AMHERST AROUND 205 AM CDT.
  LITCHFIELD AND PLEASANTON AROUND 220 AM CDT.
  HAZARD AROUND 225 AM CDT.
  RAVENNA AND POOLE AROUND 230 AM CDT.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

IN ADDITION TO LARGE HAIL AND DAMAGING WINDS...CONTINUOUS CLOUD TO
GROUND LIGHTNING IS OCCURRING WITH THIS STORM. MOVE INDOORS
IMMEDIATELY LIGHTNING IS ONE OF NATURES NUMBER ONE KILLERS.
REMEMBER...IF YOU CAN HEAR THUNDER...YOU ARE CLOSE ENOUGH TO BE
STRUCK BY LIGHTNING.

&&

LAT...LON 4105 9921 4117 9920 4118 9890 4082 9889
      4075 9960 4103 9965
TIME...MOT...LOC 0650Z 253DEG 40KT 4103 9956 4083 9953

$$
WESELY

2 follow-up statements

000 
WWUS53 KGID 130708
SVSGID

SEVERE WEATHER STATEMENT
NATIONAL WEATHER SERVICE HASTINGS NE
208 AM CDT WED MAY 13 2009

NEC019-047-163-130730-
/O.CON.KGID.SV.W.0021.000000T0000Z-090513T0730Z/
SHERMAN NE-BUFFALO NE-DAWSON NE-
208 AM CDT WED MAY 13 2009

...A SEVERE THUNDERSTORM WARNING REMAINS IN EFFECT UNTIL 230 AM CDT
FOR EASTERN DAWSON...NORTHERN BUFFALO AND SOUTHWESTERN SHERMAN
COUNTIES...

AT 206 AM CDT...NATIONAL WEATHER SERVICE METEOROLOGISTS CONTINUED TO
TRACK A LINE OF SEVERE THUNDERSTORMS CAPABLE OF PRODUCING PING PONG
BALL SIZE HAIL...AND DAMAGING WINDS IN EXCESS OF 60 MPH. THESE STORMS
WERE LOCATED ALONG A LINE EXTENDING FROM LITCHFIELD TO AMHERST...OR
ALONG A LINE EXTENDING FROM 33 MILES NORTH OF KEARNEY TO 14 MILES
NORTH OF KEARNEY...MOVING NORTHEAST AT 60 MPH.

SEVERE THUNDERSTORMS WILL BE NEAR...
  RAVENNA AND POOLE AROUND 220 AM CDT.

LAT...LON 4105 9921 4117 9920 4118 9890 4082 9889
      4075 9960 4103 9965
TIME...MOT...LOC 0708Z 245DEG 52KT 4118 9915 4090 9915

$$
WESELY

000 
WWUS53 KGID 130712
SVSGID

SEVERE WEATHER STATEMENT
NATIONAL WEATHER SERVICE HASTINGS NE
212 AM CDT WED MAY 13 2009

NEC047-130722-
/O.CAN.KGID.SV.W.0021.000000T0000Z-090513T0730Z/
DAWSON NE-
212 AM CDT WED MAY 13 2009

...THE SEVERE THUNDERSTORM WARNING FOR EASTERN DAWSON COUNTY IS
CANCELLED...

LAT...LON 4079 9927 4103 9929 4105 9921 4117 9920
      4118 9890 4082 9889
TIME...MOT...LOC 0712Z 245DEG 52KT 4120 9909 4092 9910

$$

NEC019-163-130730-
/O.CON.KGID.SV.W.0021.000000T0000Z-090513T0730Z/
SHERMAN NE-BUFFALO NE-
212 AM CDT WED MAY 13 2009

...A SEVERE THUNDERSTORM WARNING REMAINS IN EFFECT UNTIL 230 AM CDT
FOR CENTRAL BUFFALO AND SOUTHWESTERN SHERMAN COUNTIES...

AT 211 AM CDT...NATIONAL WEATHER SERVICE METEOROLOGISTS CONTINUED TO
TRACK A LINE OF SEVERE THUNDERSTORMS CAPABLE OF PRODUCING DESTRUCTIVE
GOLF BALL SIZE HAIL...AND DAMAGING WINDS IN EXCESS OF 60 MPH. THESE
STORMS WERE LOCATED ALONG A LINE EXTENDING FROM LITCHFIELD TO
PLEASANTON...OR ALONG A LINE EXTENDING FROM 30 MILES SOUTH OF ORD TO
15 MILES NORTH OF KEARNEY...MOVING NORTHEAST AT 60 MPH.

SEVERE THUNDERSTORMS WILL BE NEAR...
  RAVENNA AND POOLE AROUND 220 AM CDT.

LAT...LON 4079 9927 4103 9929 4105 9921 4117 9920
      4118 9890 4082 9889
TIME...MOT...LOC 0712Z 245DEG 52KT 4120 9909 4092 9910

$$
WESELY

The office that day

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

Issued	Product	Office	Counties	Lasted
May 13, 1:18 AM CDT	Severe Thunderstorm Warning	GID	Dawson	42 min
May 13, 1:23 AM CDT	Severe Thunderstorm Warning	GID	Dawson	37 min
May 13, 2:18 AM CDT	Severe Thunderstorm Warning	GID	Sherman	27 min
May 13, 2:29 AM CDT	Severe Thunderstorm Warning	GID	Buffalo, Hall, Howard, Sherman	46 min
May 13, 2:50 AM CDT	Special Weather Statement	GID	Howard	25 min
May 13, 3:09 AM CDT	Severe Thunderstorm Warning	GID	Hamilton, Merrick	36 min
May 13, 3:31 AM CDT	Severe Thunderstorm Warning	GID	Hamilton, Merrick, Polk, York	29 min

Nearby

Severe Thunderstorm Warnings in Nebraska, 2009 Every severe thunderstorm warning in 2009

Sources

The product and its follow-ups from the Iowa Environmental Mesonet's archive of National Weather Service and Storm Prediction Center text; the sounding from the Mesonet's radiosonde archive; radar from the NEXRAD Level II archive.