Alert archive / Ohio / Frost Advisories in 2012
Frost Advisory 4, NWS Cleveland, OH
NWS Cleveland, OH issued this frost advisory at Apr 7, 2012, 3:21 PM EDT for 7 counties in Ohio; Crawford County, Erie County, Pennsylvania. It took effect at Apr 8, 2012, 2:00 AM EDT. It was in force for 7 hr.
The area
The counties it named.
The facts
- Issued
- Apr 7, 2012, 3:21 PM EDT (19:21 UTC)
- In effect from
- Apr 8, 2012, 2:00 AM EDT
- Expired
- Apr 8, 2012, 9:00 AM EDT
- In force
- 7 hr
- Issued by
- NWS Cleveland, OH
Counties Ashtabula County, OH, Geauga County, OH, Mahoning County, OH, Portage County, OH, Stark County, OH, Summit County, OH, Trumbull County, OH, Crawford County, PA, Erie County, PA
The radar
The Cleveland radar (KCLE), 83 km from the middle of the area, began a volume at 19:21 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
Pittsburgh, PA (KPIT), launched 12:00Z, 7.4 hours before the alert went out and 128 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
- 2516 m above ground
- 0-6 km bulk shear
- 53 kt
- 0-1 km storm-relative helicity
- -15 m²/s²
- 0-3 km storm-relative helicity
- 34 m²/s²
- Significant tornado parameter
- 0.0
- Supercell composite
- 0.0
The text
As transmitted, in the capitals the NWS used until 2016.
648 WWUS71 KCLE 071921 NPWCLE URGENT - WEATHER MESSAGE NATIONAL WEATHER SERVICE CLEVELAND OH 321 PM EDT SAT APR 7 2012 .MOSTLY CLEAR SKIES AND LIGHT WINDS WILL ALLOW OVERNIGHT LOW TEMPERATURES TO DROP INTO THE MID 30S. THIS WILL ALLOW AREAS OF FROST TO DEVELOP ACROSS THE REGION AFTER MIDNIGHT. OHZ013-014-021>023-032-033-PAZ002-003-080330- /O.NEW.KCLE.FR.Y.0004.120408T0600Z-120408T1300Z/ GEAUGA-ASHTABULA INLAND-SUMMIT-PORTAGE-TRUMBULL-STARK-MAHONING- SOUTHERN ERIE-CRAWFORD PA- INCLUDING THE CITIES OF...CHARDON...JEFFERSON...AKRON...RAVENNA... WARREN...CANTON...YOUNGSTOWN...EDINBORO...MEADVILLE 321 PM EDT SAT APR 7 2012 ...FROST ADVISORY IN EFFECT FROM 2 AM TO 9 AM EDT SUNDAY... THE NATIONAL WEATHER SERVICE IN CLEVELAND HAS ISSUED A FROST ADVISORY...WHICH IS IN EFFECT FROM 2 AM TO 9 AM EDT SUNDAY. * TEMPERATURES...OVERNIGHT LOWS WILL FALL INTO THE MID 30S. * TIMING...AFTER MIDNIGHT TONIGHT THROUGH DAYBREAK SUNDAY. * IMPACTS...TENDER VEGETATION COULD BE DAMAGED. PRECAUTIONARY/PREPAREDNESS ACTIONS... A FROST ADVISORY IS ISSUED WHEN FROST IS EXPECTED TO DEVELOP DURING THE GROWING SEASON. THOSE WITH AGRICULTURAL INTERESTS IN THE WARNED AREA ARE ADVISED TO HARVEST OR PROTECT TENDER VEGETATION. ALSO, POTTED PLANTS NORMALLY LEFT OUTDOORS SHOULD BE COVERED OR BROUGHT INSIDE AWAY FROM THE COLD. && $$
3 follow-up statements
033 WWUS71 KCLE 080117 NPWCLE URGENT - WEATHER MESSAGE NATIONAL WEATHER SERVICE CLEVELAND OH 917 PM EDT SAT APR 7 2012 .AREAS OF FROST ARE EXPECTED TO DEVELOP ACROSS THE REGION AFTER MIDNIGHT TONIGHT...AS TEMPERATURES DIP INTO THE MID 30S. OHZ013-014-021>023-032-033-PAZ002-003-080930- /O.CON.KCLE.FR.Y.0004.120408T0600Z-120408T1300Z/ GEAUGA-ASHTABULA INLAND-SUMMIT-PORTAGE-TRUMBULL-STARK-MAHONING- SOUTHERN ERIE-CRAWFORD PA- INCLUDING THE CITIES OF...CHARDON...JEFFERSON...AKRON...RAVENNA... WARREN...CANTON...YOUNGSTOWN...EDINBORO...MEADVILLE 917 PM EDT SAT APR 7 2012 ...FROST ADVISORY REMAINS IN EFFECT FROM 2 AM TO 9 AM EDT SUNDAY... * TEMPERATURES...IN THE MID TO UPPER 30S. * TIMING...AFTER MIDNIGHT TONIGHT THROUGH DAYBREAK SUNDAY. * IMPACTS...TENDER VEGETATION COULD BE DAMAGED. PRECAUTIONARY/PREPAREDNESS ACTIONS... THOSE WITH AGRICULTURAL INTERESTS IN THE WARNED AREA ARE ADVISED TO PROTECT TENDER VEGETATION. ALSO... POTTED PLANTS NORMALLY LEFT OUTDOORS SHOULD BE COVERED OR BROUGHT INSIDE AWAY FROM THE COLD. && $$
528 WWUS71 KCLE 080733 NPWCLE URGENT - WEATHER MESSAGE NATIONAL WEATHER SERVICE CLEVELAND OH 333 AM EDT SUN APR 8 2012 .AREAS OF FROST ARE EXPECTED TO DEVELOP ACROSS THE REGION AFTER MIDNIGHT TONIGHT...AS TEMPERATURES DIP INTO THE MID 30S. OHZ013-021-022-032-080845- /O.CAN.KCLE.FR.Y.0004.000000T0000Z-120408T1300Z/ GEAUGA-SUMMIT-PORTAGE-STARK- INCLUDING THE CITIES OF...CHARDON...AKRON...RAVENNA...CANTON 333 AM EDT SUN APR 8 2012 ...FROST ADVISORY IS CANCELLED... THE NATIONAL WEATHER SERVICE IN CLEVELAND HAS CANCELLED THE FROST ADVISORY. CLOUDS HAVE INCREASED CAUSING TEMPERATURES TO INCREASE SO THE FROST ADVISORY IS NO LONGER NEEDED. $$ OHZ014-023-033-PAZ002-003-081300- /O.CON.KCLE.FR.Y.0004.000000T0000Z-120408T1300Z/ ASHTABULA INLAND-TRUMBULL-MAHONING-SOUTHERN ERIE-CRAWFORD PA- INCLUDING THE CITIES OF...JEFFERSON...WARREN...YOUNGSTOWN... EDINBORO...MEADVILLE 333 AM EDT SUN APR 8 2012 ...FROST ADVISORY REMAINS IN EFFECT UNTIL 9 AM EDT THIS MORNING... * TEMPERATURES...33 TO 37. * TIMING...THROUGH 9 AM THIS MORNING. * IMPACTS...TENDER VEGETATION COULD BE DAMAGED. PRECAUTIONARY/PREPAREDNESS ACTIONS... THOSE WITH AGRICULTURAL INTERESTS IN THE WARNED AREA ARE ADVISED TO PROTECT TENDER VEGETATION. ALSO... POTTED PLANTS NORMALLY LEFT OUTDOORS SHOULD BE COVERED OR BROUGHT INSIDE AWAY FROM THE COLD. && $$
318 WWUS71 KCLE 081238 NPWCLE URGENT - WEATHER MESSAGE NATIONAL WEATHER SERVICE CLEVELAND OH 838 AM EDT SUN APR 8 2012 OHZ014-023-033-PAZ002-003-081345- /O.EXP.KCLE.FR.Y.0004.000000T0000Z-120408T1300Z/ ASHTABULA INLAND-TRUMBULL-MAHONING-SOUTHERN ERIE-CRAWFORD PA- INCLUDING THE CITIES OF...JEFFERSON...WARREN...YOUNGSTOWN... EDINBORO...MEADVILLE 838 AM EDT SUN APR 8 2012 ...FROST ADVISORY WILL EXPIRE AT 9 AM EDT THIS MORNING... $$
Nearby
Frost Advisories in Ohio, 2012Frost Advisories in Pennsylvania, 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.