Alert archive / Pennsylvania / Frost Advisories in 2021
Frost Advisory 4, NWS Cleveland, OH
NWS Cleveland, OH issued this frost advisory at May 8, 2021, 3:36 AM EDT for Crawford County, Erie County, Pennsylvania. It took effect at May 9, 2021, 12:00 AM EDT. It was in force for 6 hr.
The area
The counties it named.
The facts
- Issued
- May 8, 2021, 3:36 AM EDT (07:36 UTC)
- In effect from
- May 9, 2021, 12:00 AM EDT
- Expired
- May 9, 2021, 6:23 AM EDT
- In force
- 6 hr
- Issued by
- NWS Cleveland, OH
Counties Crawford County, PA, Erie County, PA
The radar
The Pittsburgh radar (KPBZ), 153 km from the middle of the area, began a volume at 07:37 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
Buffalo Intl Airport, NY (KBUF), launched 00:00Z, 7.6 hours before the alert went out and 162 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
- 616 m above ground
- 0-6 km bulk shear
- 36 kt
- 0-1 km storm-relative helicity
- 5 m²/s²
- 0-3 km storm-relative helicity
- 0 m²/s²
- Significant tornado parameter
- 0.0
- Supercell composite
- 0.0
The text
As transmitted.
476 WWUS71 KCLE 080736 NPWCLE URGENT - WEATHER MESSAGE National Weather Service Cleveland OH 336 AM EDT Sat May 8 2021 PAZ002-003-081545- /O.NEW.KCLE.FR.Y.0004.210509T0400Z-210509T1200Z/ Southern Erie-Crawford- Including the cities of Edinboro, Corry, Union City, Meadville, and Titusville 336 AM EDT Sat May 8 2021 ...FROST ADVISORY IN EFFECT FROM MIDNIGHT TONIGHT TO 8 AM EDT SUNDAY... * WHAT...Temperatures as low as 33 will result in frost formation. * WHERE...Southern Erie and Crawford Counties. * WHEN...From midnight tonight to 8 AM EDT Sunday. * IMPACTS...Frost could kill sensitive outdoor vegetation if left uncovered. PRECAUTIONARY/PREPAREDNESS ACTIONS... Take steps now to protect tender plants from the cold. && $$ For more information from the National Weather Service visit http://www.weather.gov/cle
5 follow-up statements
155 WWUS71 KCLE 081332 NPWCLE URGENT - WEATHER MESSAGE National Weather Service Cleveland OH 932 AM EDT Sat May 8 2021 PAZ002-003-082145- /O.CON.KCLE.FR.Y.0004.210509T0400Z-210509T1200Z/ Southern Erie-Crawford- Including the cities of Edinboro, Corry, Union City, Meadville, and Titusville 932 AM EDT Sat May 8 2021 ...FROST ADVISORY REMAINS IN EFFECT FROM MIDNIGHT TONIGHT TO 8 AM EDT SUNDAY... * WHAT...Temperatures as low as 33 will result in frost formation. * WHERE...Crawford and Southern Erie Counties. * WHEN...From midnight tonight to 8 AM EDT Sunday. * IMPACTS...Frost could kill sensitive outdoor vegetation if left uncovered. PRECAUTIONARY/PREPAREDNESS ACTIONS... Take steps now to protect tender plants from the cold. && $$ For more information from the National Weather Service visit http://www.weather.gov/cle
290 WWUS71 KCLE 081917 NPWCLE URGENT - WEATHER MESSAGE National Weather Service Cleveland OH 317 PM EDT Sat May 8 2021 PAZ002-003-090330- /O.CON.KCLE.FR.Y.0004.210509T0400Z-210509T1200Z/ Southern Erie-Crawford- Including the cities of Edinboro, Corry, Union City, Meadville, and Titusville 317 PM EDT Sat May 8 2021 ...FROST ADVISORY REMAINS IN EFFECT FROM MIDNIGHT TONIGHT TO 8 AM EDT SUNDAY... * WHAT...Temperatures as low as 34 will result in frost formation. * WHERE...Crawford and Southern Erie Counties. * WHEN...From midnight tonight to 8 AM EDT Sunday. * IMPACTS...Frost could kill sensitive outdoor vegetation if left uncovered. PRECAUTIONARY/PREPAREDNESS ACTIONS... Take steps now to protect tender plants from the cold. && $$ For more information from the National Weather Service visit http://www.weather.gov/cle
805 WWUS71 KCLE 090251 NPWCLE URGENT - WEATHER MESSAGE National Weather Service Cleveland OH 1051 PM EDT Sat May 8 2021 PAZ002-003-091100- /O.CON.KCLE.FR.Y.0004.210509T0400Z-210509T1200Z/ Southern Erie-Crawford- Including the cities of Edinboro, Corry, Union City, Meadville, and Titusville 1051 PM EDT Sat May 8 2021 ...FROST ADVISORY REMAINS IN EFFECT UNTIL 8 AM EDT SUNDAY... * WHAT...Temperatures as low as 35 will result in frost formation. * WHERE...Crawford and Southern Erie Counties. * WHEN...Until 8 AM EDT Sunday. * IMPACTS...Frost could kill sensitive outdoor vegetation if left uncovered. PRECAUTIONARY/PREPAREDNESS ACTIONS... Take steps now to protect tender plants from the cold. && $$ For more information from the National Weather Service visit http://www.weather.gov/cle
659 WWUS71 KCLE 090707 NPWCLE URGENT - WEATHER MESSAGE National Weather Service Cleveland OH 307 AM EDT Sun May 9 2021 PAZ002-003-091200- /O.CON.KCLE.FR.Y.0004.000000T0000Z-210509T1200Z/ Southern Erie-Crawford- Including the cities of Edinboro, Corry, Union City, Meadville, and Titusville 307 AM EDT Sun May 9 2021 ...FROST ADVISORY REMAINS IN EFFECT UNTIL 8 AM EDT THIS MORNING... * WHAT...Temperatures as low as 34 will result in frost formation. * WHERE...Crawford and Southern Erie Counties. * WHEN...Until 8 AM EDT this morning. * IMPACTS...Frost could kill sensitive outdoor vegetation if left uncovered. PRECAUTIONARY/PREPAREDNESS ACTIONS... Take steps now to protect tender plants from the cold. && $$ For more information from the National Weather Service visit http://www.weather.gov/cle
233 WWUS71 KCLE 091023 NPWCLE URGENT - WEATHER MESSAGE National Weather Service Cleveland OH 623 AM EDT Sun May 9 2021 PAZ002-003-091130- /O.CAN.KCLE.FR.Y.0004.000000T0000Z-210509T1200Z/ Southern Erie-Crawford- Including the cities of Edinboro, Corry, Union City, Meadville, and Titusville 623 AM EDT Sun May 9 2021 ...FROST ADVISORY IS CANCELLED... Increasing temperatures, clouds, and winds this morning have allowed for conditions to become unfavorable for frost development. Therefore, the frost advisory has been cancelled early. $$ For more information from the National Weather Service visit http://www.weather.gov/cle
Nearby
Frost Advisories in Pennsylvania, 2021Every frost advisory in 2021
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.