Alert archive / Nebraska / Frost Advisories in 2021
Frost Advisory 2, NWS Hastings, NE
NWS Hastings, NE issued this frost advisory at May 5, 2021, 4:06 PM CDT for Greeley County, Sherman County, Valley County, Nebraska. It took effect at May 6, 2021, 5:00 AM CDT. It was in force for 4 hr.
The area
The counties it named.
The facts
- Issued
- May 5, 2021, 4:06 PM CDT (21:06 UTC)
- In effect from
- May 6, 2021, 5:00 AM CDT
- Expired
- May 6, 2021, 9:00 AM CDT
- In force
- 4 hr
- Issued by
- NWS Hastings, NE
Counties Greeley County, NE, Sherman County, NE, Valley County, NE
The radar
The Grand Island radar (KUEX), 130 km from the middle of the area, began a volume at 21:09 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, 9.1 hours before the alert went out and 152 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
- 1080 m above ground
- 0-6 km bulk shear
- 36 kt
- 0-1 km storm-relative helicity
- 95 m²/s²
- 0-3 km storm-relative helicity
- 156 m²/s²
- Significant tornado parameter
- 0.0
- Supercell composite
- 0.0
The text
As transmitted.
407 WWUS73 KGID 052106 NPWGID URGENT - WEATHER MESSAGE National Weather Service Hastings NE 406 PM CDT Wed May 5 2021 NEZ039-040-046-060900- /O.NEW.KGID.FR.Y.0002.210506T1000Z-210506T1400Z/ Valley-Greeley-Sherman- Including the cities of Ord, Greeley, Spalding, Scotia, Wolbach, Loup City, Sherman Reservoir, and Litchfield 406 PM CDT Wed May 5 2021 ...FROST ADVISORY IN EFFECT FROM 5 AM TO 9 AM CDT THURSDAY... * WHAT...Temperatures as low as 35 is expected to result in frost formation. * WHERE...Valley, Greeley and Sherman Counties. * WHEN...From 5 AM to 9 AM CDT Thursday. * IMPACTS...Frost could kill sensitive outdoor vegetation if left uncovered. PRECAUTIONARY/PREPAREDNESS ACTIONS... Take steps now to protect tender plants from the cold. && $$
2 follow-up statements
956 WWUS73 KGID 061017 NPWGID URGENT - WEATHER MESSAGE National Weather Service Hastings NE 517 AM CDT Thu May 6 2021 NEZ039-040-046-061400- /O.CON.KGID.FR.Y.0002.000000T0000Z-210506T1400Z/ Valley-Greeley-Sherman- Including the cities of Ord, Greeley, Spalding, Scotia, Wolbach, Loup City, Sherman Reservoir, and Litchfield 517 AM CDT Thu May 6 2021 ...FROST ADVISORY REMAINS IN EFFECT UNTIL 9 AM CDT THIS MORNING... * WHAT...Temperatures as low as 35 is expected to result in frost formation. * WHERE...Valley, Greeley and Sherman Counties. * WHEN...From 5 AM to 9 AM CDT Thursday. * IMPACTS...Frost could kill sensitive outdoor vegetation if left uncovered. * ADDITIONAL DETAILS...Patchy frost could extend further south across portions of Howard and Nance Counties. PRECAUTIONARY/PREPAREDNESS ACTIONS... Take steps now to protect tender plants from the cold. && $$ Thies
201 WWUS73 KGID 061403 NPWGID URGENT - WEATHER MESSAGE National Weather Service Hastings NE 903 AM CDT Thu May 6 2021 NEZ039-040-046-061515- /O.EXP.KGID.FR.Y.0002.000000T0000Z-210506T1400Z/ Valley-Greeley-Sherman- Including the cities of Ord, Greeley, Spalding, Scotia, Wolbach, Loup City, Sherman Reservoir, and Litchfield 903 AM CDT Thu May 6 2021 ...FROST ADVISORY HAS EXPIRED... Temperatures have warmed into the 40s and the threat of frost has ended. $$
The office that day
Everything else NWS Hastings, NE issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| May 5, 2:59 PM CDT | Special Weather Statement | GID | Merrick | 31 min |
| May 5, 3:11 PM CDT | Severe Thunderstorm Warning | GID | Hamilton, Merrick | 34 min |
| May 5, 3:20 PM CDT | Special Weather Statement | GID | Clay | 25 min |
| May 5, 3:23 PM CDT | Severe Thunderstorm Warning | GID | Webster | 37 min |
| May 5, 3:25 PM CDT | Special Weather Statement | GID | Nuckolls | 35 min |
| May 5, 3:40 PM CDT | Special Weather Statement | GID | York | 35 min |
| May 5, 3:47 PM CDT | Severe Thunderstorm Warning | GID | Clay | 43 min |
| May 5, 3:50 PM CDT | Special Weather Statement | GID | York | 40 min |
| May 5, 4:16 PM CDT | Special Weather Statement | GID | York | 29 min |
| May 5, 4:30 PM CDT | Special Weather Statement | GID | Fillmore | 30 min |
| May 5, 4:48 PM CDT | Special Weather Statement | GID | York | 27 min |
Nearby
Frost Advisories in Nebraska, 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.