Alert archive / Arkansas / Winter Storm Watches in 2021
Winter Storm Watch 3, NWS Little Rock, AR
NWS Little Rock, AR issued this winter storm watch at Feb 12, 2021, 2:21 PM CST for 36 counties in Arkansas. It took effect at Feb 14, 2021, 12:00 PM CST. It was in force for .
The area
The counties it named.
The facts
- Issued
- Feb 12, 2021, 2:21 PM CST (20:21 UTC)
- In effect from
- Feb 14, 2021, 12:00 PM CST
- Expired
- Feb 13, 2021, 3:39 AM CST
- In force
- Issued by
- NWS Little Rock, AR
All 36 counties
Arkansas County, AR, Baxter County, AR, Bradley County, AR, Calhoun County, AR, Clark County, AR, Cleburne County, AR, Cleveland County, AR, Conway County, AR, Dallas County, AR, Desha County, AR, Drew County, AR, Faulkner County, AR, Fulton County, AR, Garland County, AR, Grant County, AR, Hot Spring County, AR, Independence County, AR, Izard County, AR, Jackson County, AR, Jefferson County, AR, Lawrence County, AR, Lincoln County, AR, Lonoke County, AR, Marion County, AR, Monroe County, AR, Ouachita County, AR, Perry County, AR, Pike County, AR, Prairie County, AR, Pulaski County, AR, Randolph County, AR, Saline County, AR, Sharp County, AR, Stone County, AR, White County, AR, Woodruff County, AR
The radar
The Little Rock radar (KLZK), 15 km from the middle of the area, began a volume at 20:20 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
Little Rock, AR (KLZK), launched 12:00Z, 8.4 hours before the alert went out and 196 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
- 1 J/kg
- Mixed-layer CIN
- No buoyant parcel
- Mixed-layer LCL
- 556 m above ground
- 0-6 km bulk shear
- 46 kt
- 0-1 km storm-relative helicity
- -42 m²/s²
- 0-3 km storm-relative helicity
- 89 m²/s²
- Significant tornado parameter
- 0.0
- Supercell composite
- 0.0
What forecasters said that day
The local office's own words before this winter storm watch went out, as it sent them, from the Iowa Environmental Mesonet's archive of National Weather Service text.
NWS Little Rock, AR wrote its last area forecast discussion before this winter storm watch went out at Feb 12, 11:44 AM CST, 2 hours 37 minutes earlier.
Area forecast discussion, Feb 12, 11:44 AM CST, 2 hours 37 minutes before
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</html>Hazardous weather outlook, Feb 12, 3:40 AM CST, 10 hours 41 minutes before
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Special weather statement, Feb 12, 9:27 AM CST, 4 hours 54 minutes before
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</html>The office that day
Everything else NWS Little Rock, AR issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Feb 12, 9:27 AM CST | Special Weather Statement | LZK | Arkansas, Dallas, Grant, Jefferson | 93 min |
Nearby
Winter Storm Watches in Arkansas, 2021Every winter storm watch 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.