Alert archive / New York / Frost Advisories in 2021
Frost Advisory 7, NWS Buffalo, NY
NWS Buffalo, NY issued this frost advisory at May 30, 2021, 5:15 PM EDT for Allegany County, Cattaraugus County, Chautauqua County, New York. It took effect at May 31, 2021, 12:00 AM EDT. It was in force for 7 hr.
The area
The counties it named.
The facts
- Issued
- May 30, 2021, 5:15 PM EDT (21:15 UTC)
- In effect from
- May 31, 2021, 12:00 AM EDT
- Expired
- May 31, 2021, 6:56 AM EDT
- In force
- 7 hr
- Issued by
- NWS Buffalo, NY
Counties Allegany County, NY, Cattaraugus County, NY, Chautauqua County, NY
The radar
The Buffalo radar (KBUF), 76 km from the middle of the area, began a volume at 21:14 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 12:00Z, 9.3 hours before the alert went out and 73 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
- 1771 m above ground
- 0-6 km bulk shear
- 15 kt
- 0-1 km storm-relative helicity
- -49 m²/s²
- 0-3 km storm-relative helicity
- -37 m²/s²
- Significant tornado parameter
- 0.0
- Supercell composite
- 0.0
The text
As transmitted.
927 WWUS71 KBUF 302115 NPWBUF URGENT - WEATHER MESSAGE National Weather Service Buffalo NY 515 PM EDT Sun May 30 2021 NYZ019>021-310515- /O.NEW.KBUF.FR.Y.0007.210531T0400Z-210531T1200Z/ Chautauqua-Cattaraugus-Allegany- Including the cities of Jamestown, Olean, and Wellsville 515 PM EDT Sun May 30 2021 ...FROST ADVISORY IN EFFECT FROM MIDNIGHT TONIGHT TO 8 AM EDT MONDAY... * WHAT...Temperatures in the mid 30s will result in frost formation. * WHERE...The western Southern Tier. * WHEN...From midnight tonight to 8 AM EDT Monday. * IMPACTS...Frost could kill sensitive outdoor vegetation if left uncovered. PRECAUTIONARY/PREPAREDNESS ACTIONS... Take steps now to protect tender plants from the cold. && $$
3 follow-up statements
053 WWUS71 KBUF 310200 NPWBUF URGENT - WEATHER MESSAGE National Weather Service Buffalo NY 1000 PM EDT Sun May 30 2021 NYZ019>021-311000- /O.CON.KBUF.FR.Y.0007.210531T0400Z-210531T1200Z/ Chautauqua-Cattaraugus-Allegany- Including the cities of Jamestown, Olean, and Wellsville 1000 PM EDT Sun May 30 2021 ...FROST ADVISORY REMAINS IN EFFECT UNTIL 8 AM EDT MONDAY... * WHAT...Temperatures in the mid 30s will result in frost formation. * WHERE...The western Southern Tier. * WHEN...Until 8 AM EDT Monday. * IMPACTS...Frost could kill sensitive outdoor vegetation if left uncovered. PRECAUTIONARY/PREPAREDNESS ACTIONS... Take steps now to protect tender plants from the cold. && $$
280 WWUS71 KBUF 310817 NPWBUF URGENT - WEATHER MESSAGE National Weather Service Buffalo NY 417 AM EDT Mon May 31 2021 NYZ019>021-311200- /O.CON.KBUF.FR.Y.0007.000000T0000Z-210531T1200Z/ Chautauqua-Cattaraugus-Allegany- Including the cities of Jamestown, Olean, and Wellsville 417 AM EDT Mon May 31 2021 ...FROST ADVISORY REMAINS IN EFFECT UNTIL 8 AM EDT THIS MORNING... * WHAT...Temperatures in the mid 30s will result in frost formation. * WHERE...The western Southern Tier. * WHEN...Until 8 AM EDT Monday. * IMPACTS...Frost could kill sensitive outdoor vegetation if left uncovered. PRECAUTIONARY/PREPAREDNESS ACTIONS... Take steps now to protect tender plants from the cold. && $$
825 WWUS71 KBUF 311056 NPWBUF URGENT - WEATHER MESSAGE National Weather Service Buffalo NY 656 AM EDT Mon May 31 2021 NYZ019>021-311200- /O.CAN.KBUF.FR.Y.0007.000000T0000Z-210531T1200Z/ Chautauqua-Cattaraugus-Allegany- Including the cities of Jamestown, Olean, and Wellsville 656 AM EDT Mon May 31 2021 ...FROST ADVISORY IS CANCELLED... The National Weather Service in Buffalo has cancelled the Frost Advisory. Temperatures have begun to warm up into the low 40s shortly after sunrise, thus frost is no longer expected. $$ EAJ
Nearby
Frost Advisories in New York, 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.