Alert archive / Nebraska / Severe Thunderstorm Warnings in 2008

Severe Thunderstorm Warning 49, NWS North Platte, NE

May 22, 20085 counties in Nebraska

NWS North Platte, NE issued this severe thunderstorm warning at May 22, 2008, 3:52 PM MDT for 5 counties in Nebraska. It was in force for 38 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 22, 2008, 3:52 PM MDT (21:52 UTC)
Expired
May 22, 2008, 4:30 PM MDT
In force
38 min
Issued by
NWS North Platte, NE
Area
Storm-based polygon

Counties Arthur County, NE, Hooker County, NE, Keith County, NE, Lincoln County, NE, McPherson County, NE

The radar

The North Platte radar (KLNX), 75 km from the middle of the area, began a volume at 21:54 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 watch it was issued in

The SPC watch in force over the same counties when this warning went out.

IssuedProductOfficeLasted
May 22, 2:13 PM MDTTornado WatchSPC7 hr
May 22, 2:22 PM MDTSevere Thunderstorm WatchSPC7 hr

The nearest sounding before it

N. Platte/Lee Bi, NE (KLBF), launched 12:00Z, 9.9 hours before the alert went out and 71 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 2008-05-22Temperature 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, N. Platte/Lee Bi, NE at 12:00Z on 2008-05-22The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 599 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
0 J/kg
Mixed-layer CIN
No buoyant parcel
Mixed-layer LCL
639 m above ground
0-6 km bulk shear
48 kt
0-1 km storm-relative helicity
599 m²/s²
0-3 km storm-relative helicity
651 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.

000 
WUUS53 KLBF 222152
SVRLBF
NEC005-091-101-111-117-222230-
/O.NEW.KLBF.SV.W.0049.080522T2152Z-080522T2230Z/

BULLETIN - EAS ACTIVATION REQUESTED
SEVERE THUNDERSTORM WARNING
NATIONAL WEATHER SERVICE NORTH PLATTE NE
452 PM CDT THU MAY 22 2008

THE NATIONAL WEATHER SERVICE IN NORTH PLATTE HAS ISSUED A

* SEVERE THUNDERSTORM WARNING FOR...
  NORTHEASTERN KEITH COUNTY IN SOUTHWEST NEBRASKA...
  NORTHWESTERN LINCOLN COUNTY IN SOUTHWEST NEBRASKA...
  NORTHEASTERN ARTHUR COUNTY IN WEST CENTRAL NEBRASKA...
  SOUTHWESTERN HOOKER COUNTY IN WEST CENTRAL NEBRASKA...
  WESTERN MCPHERSON COUNTY IN WEST CENTRAL NEBRASKA...

* UNTIL 530 PM CDT/430 PM MDT/

* AT 449 PM CDT...NATIONAL WEATHER SERVICE DOPPLER RADAR INDICATED A
  SEVERE THUNDERSTORM CAPABLE OF PRODUCING PENNY SIZE HAIL.  THIS
  STORM WAS LOCATED 20 MILES SOUTHEAST OF DIAMOND BAR LAKE...OR 21
  MILES WEST OF NORTH PLATTE...AND MOVING NORTH AT 40 MPH.

* THE SEVERE THUNDERSTORM WILL BE NEAR...
  DIAMOND BAR LAKE BY 520 PM CDT...
  SCHNICK LAKE BY 525 PM CDT...
  7 MILES SOUTHEAST OF SAND BEACH LAKE BY 530 PM CDT...

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.

A TORNADO WATCH REMAINS IN EFFECT UNTIL 1000 PM CDT THURSDAY
EVENING/900 PM MDT THURSDAY EVENING/ FOR THE PANHANDLE AND SOUTHWEST
NEBRASKA.

A SEVERE THUNDERSTORM WATCH ALSO REMAINS IN EFFECT UNTIL 1000 PM CDT
THURSDAY EVENING/900 PM MDT THURSDAY EVENING/ FOR THE PANHANDLE AND
NORTHWESTERN NEBRASKA.

LAT...LON 4173 10155 4178 10104 4121 10094 4118 10129
TIME...MOT...LOC 2152Z 170DEG 34KT 4128 10116

$$

DDB
2 follow-up statements
000 
WWUS53 KLBF 222207
SVSLBF

SEVERE WEATHER STATEMENT
NATIONAL WEATHER SERVICE NORTH PLATTE NE
506 PM CDT THU MAY 22 2008

NEC005-091-101-111-117-222230-
/O.CON.KLBF.SV.W.0049.000000T0000Z-080522T2230Z/
MCPHERSON NE-ARTHUR NE-LINCOLN NE-HOOKER NE-KEITH NE-
506 PM CDT THU MAY 22 2008

...A SEVERE THUNDERSTORM WARNING REMAINS IN EFFECT UNTIL 530 PM
CDT/430 PM MDT/ FOR NORTHEASTERN KEITH...SOUTHWESTERN HOOKER...
NORTHWESTERN LINCOLN...NORTHEASTERN ARTHUR AND WESTERN MCPHERSON
COUNTIES...

AT 503 PM CDT...NATIONAL WEATHER SERVICE DOPPLER RADAR CONTINUED TO
INDICATE A SEVERE THUNDERSTORM CAPABLE OF PRODUCING PENNY SIZE HAIL. 
THIS STORM WAS LOCATED 11 MILES SOUTHEAST OF DIAMOND BAR LAKE...OR 17
MILES SOUTHWEST OF TRYON...MOVING NORTH AT 39 MPH.

THE SEVERE THUNDERSTORM WILL BE NEAR...
  SCHNICK LAKE AND DIAMOND BAR LAKE BY 520 PM CDT...
  9 MILES EAST OF HIGHWAY 92 MILE MARKER 180 BY 525 PM CDT...
  7 MILES SOUTHEAST OF SAND BEACH LAKE BY 530 PM CDT...

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.

A TORNADO WATCH REMAINS IN EFFECT UNTIL 1000 PM CDT THURSDAY
EVENING/900 PM MDT THURSDAY EVENING/ FOR THE PANHANDLE AND SOUTHWEST
NEBRASKA.

A SEVERE THUNDERSTORM WATCH ALSO REMAINS IN EFFECT UNTIL 1000 PM CDT
THURSDAY EVENING/900 PM MDT THURSDAY EVENING/ FOR THE PANHANDLE AND
NORTHWESTERN NEBRASKA.

LAT...LON 4173 10155 4178 10104 4121 10094 4118 10129
TIME...MOT...LOC 2206Z 170DEG 34KT 4141 10119

$$

DDB
000 
WWUS53 KLBF 222228
SVSLBF

SEVERE WEATHER STATEMENT
NATIONAL WEATHER SERVICE NORTH PLATTE NE
526 PM CDT THU MAY 22 2008

NEC005-091-101-111-117-222236-
/O.EXP.KLBF.SV.W.0049.000000T0000Z-080522T2230Z/
MCPHERSON NE-ARTHUR NE-LINCOLN NE-HOOKER NE-KEITH NE-
526 PM CDT THU MAY 22 2008

...THE SEVERE THUNDERSTORM WARNING FOR NORTHEASTERN KEITH...
SOUTHWESTERN HOOKER...NORTHWESTERN LINCOLN...NORTHEASTERN ARTHUR AND
WESTERN MCPHERSON COUNTIES WILL EXPIRE AT 530 PM CDT/430 PM MDT/...

THE STORM THAT PROMPTED THE SEVERE THUNDERSTORM WARNING WEAKENED.  
THEREFORE...THE SEVERE THUNDERSTORM WARNING WILL BE ALLOWED TO 
EXPIRE.  THUNDERSTORMS ARE EXPECTED TO CONTINUE THIS EVENING.  SOME 
OF THESE STORMS MAY BECOME SEVERE.

A TORNADO WATCH REMAINS IN EFFECT UNTIL 1000 PM CDT THURSDAY
EVENING/900 PM MDT THURSDAY EVENING/ FOR THE PANHANDLE AND SOUTHWEST
NEBRASKA.

A SEVERE THUNDERSTORM WATCH ALSO REMAINS IN EFFECT UNTIL 1000 PM CDT
THURSDAY EVENING/900 PM MDT THURSDAY EVENING/ FOR THE PANHANDLE AND
NORTHWESTERN NEBRASKA.

LAT...LON 4173 10155 4178 10104 4121 10094 4118 10129
TIME...MOT...LOC 2226Z 170DEG 34KT 4160 10123

$$

DDB

The office that day

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

IssuedProductOfficeCountiesLasted
May 21, 6:54 PM MDTSevere Thunderstorm WarningLBFDeuel36 min
May 22, 2:53 AM MDTWind AdvisoryLBFArthur, Chase, Cherry, Deuel, Garden, Grant and 3 more12 hr
May 22, 11:48 AM MDTDense Fog AdvisoryLBFArthur, Blaine, Chase, Custer, Deuel, Frontier and 10 more3 hr
May 22, 2:48 PM MDTSevere Thunderstorm WarningLBFKeith, Perkins42 min
May 22, 4:03 PM MDTSevere Thunderstorm WarningLBFChase, Hayes, Perkins42 min
May 22, 4:30 PM MDTTornado WarningLBFChase, Hayes, Perkins45 min

Nearby

Severe Thunderstorm Warnings in Nebraska, 2008Every severe thunderstorm warning in 2008

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.