Alert archive / Nebraska / Frost Advisories in 2012
Frost Advisory 3, NWS North Platte, NE
NWS North Platte, NE issued this frost advisory at May 11, 2012, 2:15 PM MDT for 4 counties in Nebraska. It took effect at May 12, 2012, 3:00 AM MDT. It was in force for 4 hr.
The area
The counties it named.
The facts
- Issued
- May 11, 2012, 2:15 PM MDT (20:15 UTC)
- In effect from
- May 12, 2012, 3:00 AM MDT
- Expired
- May 12, 2012, 7:00 AM MDT
- In force
- 4 hr
- Issued by
- NWS North Platte, NE
Counties Cherry County, NE, Garden County, NE, Grant County, NE, Sheridan County, NE
The radar
The North Platte radar (KLNX), 111 km from the middle of the area, began a volume at 20:18 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 12:00Z, 8.3 hours before the alert went out and 156 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.
- Mixed-layer CAPE
- 0 J/kg
- Mixed-layer CIN
- No buoyant parcel
- Mixed-layer LCL
- 982 m above ground
- 0-6 km bulk shear
- 28 kt
- 0-1 km storm-relative helicity
- -4 m²/s²
- 0-3 km storm-relative helicity
- 400 m²/s²
- Significant tornado parameter
- 0.0
- Supercell composite
- 0.0
The text
As transmitted, in the capitals the NWS used until 2016.
920 WWUS73 KLBF 112015 NPWLBF URGENT - WEATHER MESSAGE NATIONAL WEATHER SERVICE NORTH PLATTE NE 315 PM CDT FRI MAY 11 2012 ...COLD...NEAR FREEZING TEMPERATURES EXPECTED TONIGHT... .COLD CANADIAN HIGH PRESSURE...CLEARING SKIES...DRY AIR AND LIGHT WINDS WILL LEAD TO COLD TEMPERATURES TONIGHT ACROSS PORTIONS OF THE EASTERN PANHANDLE AND NORTHERN SAND HILLS. BY SATURDAY MORNING...LOW TEMPERATURES AROUND FREEZING ARE LIKELY. THIS WILL LEAD TO AREAS OF FROST ACROSS CHERRY...SHERIDAN...GRANT AND NORTHERN GARDEN COUNTIES. PATCHY FROST IS POSSIBLE ACROSS THE CENTRAL SANDHILLS...ESPECIALLY IN LOW LYING AREAS. NEZ004-005-022-023-094-121300- /O.NEW.KLBF.FR.Y.0003.120512T0900Z-120512T1300Z/ SHERIDAN-EASTERN CHERRY-GARDEN-GRANT-WESTERN CHERRY- INCLUDING THE CITIES OF...GORDON...RUSHVILLE...VALENTINE... OSHKOSH...HYANNIS...CODY...MERRIMAN...KILGORE 315 PM CDT FRI MAY 11 2012 /215 PM MDT FRI MAY 11 2012/ ...FROST ADVISORY IN EFFECT FROM 4 AM CDT /3 AM MDT/ TO 8 AM CDT /7 AM MDT/ SATURDAY... THE NATIONAL WEATHER SERVICE IN NORTH PLATTE HAS ISSUED A FROST ADVISORY...WHICH IS IN EFFECT FROM 4 AM CDT /3 AM MDT/ TO 8 AM CDT /7 AM MDT/ SATURDAY. * TEMPERATURE: LOW TEMPERATURES OF 30 TO 34 DEGREES ARE LIKELY. * IMPACTS: TENDER OR YOUNG VEGETATION WHICH IS SUSCEPTIBLE TO FROST SHOULD BE COVERED OR BROUGHT INSIDE TO PROTECT IT FROM COLD TEMPERATURES. PRECAUTIONARY/PREPAREDNESS ACTIONS... A FROST ADVISORY MEANS THAT FROST IS POSSIBLE. SENSITIVE OUTDOOR PLANTS MAY BE KILLED IF LEFT UNCOVERED. TO PROTECT THEM...BRING THEM INSIDE OR COVER THEM. && $$ CLB
2 follow-up statements
542 WWUS73 KLBF 120901 AAA NPWLBF URGENT - WEATHER MESSAGE...UPDATED NATIONAL WEATHER SERVICE NORTH PLATTE NE 401 AM CDT SAT MAY 12 2012 ...COLD...NEAR FREEZING TEMPERATURES EXPECTED TONIGHT... .COLD CANADIAN HIGH PRESSURE...CLEARING SKIES...DRY AIR AND LIGHT WINDS WILL LEAD TO COLD TEMPERATURES AND FROST ACROSS PORTIONS OF THE EASTERN PANHANDLE AND NORTHERN SAND HILLS. NEZ004-005-022-023-094-121300- /O.CON.KLBF.FR.Y.0003.000000T0000Z-120512T1300Z/ SHERIDAN-EASTERN CHERRY-GARDEN-GRANT-WESTERN CHERRY- INCLUDING THE CITIES OF...GORDON...RUSHVILLE...VALENTINE... OSHKOSH...HYANNIS...CODY...MERRIMAN...KILGORE 401 AM CDT SAT MAY 12 2012 /301 AM MDT SAT MAY 12 2012/ ...FROST ADVISORY REMAINS IN EFFECT UNTIL 8 AM CDT /7 AM MDT/ THIS MORNING... A FROST ADVISORY REMAINS IN EFFECT UNTIL 8 AM CDT /7 AM MDT/ THIS MORNING. * TEMPERATURE: LOW TEMPERATURES OF 29 TO 34 DEGREES ARE LIKELY. * IMPACTS: TENDER OR YOUNG VEGETATION WHICH IS SUSCEPTIBLE TO FROST SHOULD BE COVERED OR BROUGHT INSIDE TO PROTECT IT FROM COLD TEMPERATURES. PRECAUTIONARY/PREPAREDNESS ACTIONS... A FROST ADVISORY MEANS THAT FROST IS POSSIBLE. SENSITIVE OUTDOOR PLANTS MAY BE KILLED IF LEFT UNCOVERED. TO PROTECT THEM...BRING THEM INSIDE OR COVER THEM. && $$
713 WWUS73 KLBF 121308 NPWLBF URGENT - WEATHER MESSAGE NATIONAL WEATHER SERVICE NORTH PLATTE NE 808 AM CDT SAT MAY 12 2012 NEZ004-005-022-023-094-121415- /O.EXP.KLBF.FR.Y.0003.000000T0000Z-120512T1300Z/ SHERIDAN-EASTERN CHERRY-GARDEN-GRANT-WESTERN CHERRY- INCLUDING THE CITIES OF...GORDON...RUSHVILLE...VALENTINE... OSHKOSH...HYANNIS...CODY...MERRIMAN...KILGORE 808 AM CDT SAT MAY 12 2012 /708 AM MDT SAT MAY 12 2012/ ...FROST ADVISORY HAS EXPIRED... THE FROST ADVISORY IS NO LONGER IN EFFECT. TEMPERATURES WILL QUICKLY RISE INTO THE 40S THIS MORNING. $$ KAR
Nearby
Frost Advisories in Nebraska, 2012Every frost advisory 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; the sounding from the Mesonet's radiosonde archive; radar from the NEXRAD Level II archive.