Alert archive / Arkansas / Frost Advisories in 2015
Frost Advisory 2, NWS Little Rock, AR
NWS Little Rock, AR issued this frost advisory at Apr 3, 2015, 2:47 PM CDT for Marion County, Arkansas. It took effect at Apr 4, 2015, 4:00 AM CDT. It was in force for 5 hr.
The area
The counties it named.
The facts
- Issued
- Apr 3, 2015, 2:47 PM CDT (19:47 UTC)
- In effect from
- Apr 4, 2015, 4:00 AM CDT
- Expired
- Apr 4, 2015, 9:00 AM CDT
- In force
- 5 hr
- Issued by
- NWS Little Rock, AR
County Marion County, AR
The radar
The Springfield radar (KSGF), 125 km from the middle of the area, began a volume at 19:53 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
Springfield, MO (KSGF), launched 12:00Z, 7.8 hours before the alert went out and 122 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
- 534 m above ground
- 0-6 km bulk shear
- 65 kt
- 0-1 km storm-relative helicity
- 193 m²/s²
- 0-3 km storm-relative helicity
- 422 m²/s²
- Significant tornado parameter
- 0.0
- Supercell composite
- 1.8
What forecasters said that day
The local office's own words before this frost advisory 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 frost advisory went out at Apr 3, 12:39 PM CDT, 2 hours 8 minutes earlier.
Area forecast discussion, Apr 3, 12:39 PM CDT, 2 hours 8 minutes before
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</html>Hazardous weather outlook, Apr 3, 1:00 PM CDT, 1 hour 47 minutes before
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Local storm report, Apr 3, 12:08 PM CDT, 2 hours 39 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 |
|---|---|---|---|---|
| Apr 3, 12:24 AM CDT | Severe Thunderstorm Warning | LZK | Boone | 51 min |
| Apr 3, 12:40 AM CDT | Tornado Warning | LZK | Boone | 20 min |
| Apr 3, 12:58 AM CDT | Tornado Warning | LZK | Marion | 18 min |
| Apr 3, 1:09 AM CDT | Severe Thunderstorm Warning | LZK | Baxter, Boone, Marion | 51 min |
| Apr 3, 1:44 AM CDT | Severe Thunderstorm Warning | LZK | Baxter, Boone, Marion | 46 min |
| Apr 3, 1:48 AM CDT | Severe Thunderstorm Warning | LZK | Baxter, Fulton, Izard | 42 min |
| Apr 3, 2:22 AM CDT | Severe Thunderstorm Warning | LZK | Baxter, Fulton, Izard | 19 min |
| Apr 3, 2:26 AM CDT | Severe Thunderstorm Warning | LZK | Izard, Sharp | 49 min |
| Apr 3, 2:52 AM CDT | Special Weather Statement | LZK | Sharp | 43 min |
| Apr 3, 3:39 AM CDT | Lake Wind Advisory | LZK | Arkansas, Bradley, Calhoun, Clark, Cleveland, Dallas and 16 more | 17 hr |
| Apr 3, 5:12 AM CDT | Severe Thunderstorm Warning | LZK | Baxter, Marion | 48 min |
| Apr 3, 5:43 AM CDT | Severe Thunderstorm Warning | LZK | Baxter, Fulton, Izard | 47 min |
| Apr 3, 5:03 PM CDT | Special Weather Statement | LZK | Cleveland, Dallas | 42 min |
| Apr 3, 5:12 PM CDT | Severe Thunderstorm Warning | LZK | Arkansas, Desha | 33 min |
| Apr 3, 5:21 PM CDT | Severe Thunderstorm Warning | LZK | Calhoun, Cleveland, Dallas | 39 min |
| Apr 3, 6:01 PM CDT | Special Weather Statement | LZK | Cleveland | 44 min |
| Apr 3, 6:45 PM CDT | Special Weather Statement | LZK | Desha | 45 min |
Nearby
Frost Advisories in Arkansas, 2015Every frost advisory in 2015
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.