Alert archive / Arkansas / Winter Weather Advisories in 2017
Winter Weather Advisory 2, NWS Tulsa, OK
NWS Tulsa, OK issued this winter weather advisory at Mar 11, 2017, 1:22 PM CST for 4 counties in Arkansas. It was in force for 6 hr.
The area
The counties it named.
The facts
- Issued
- Mar 11, 2017, 1:22 PM CST (19:22 UTC)
- Expired
- Mar 11, 2017, 7:09 PM CST
- In force
- 6 hr
- Issued by
- NWS Tulsa, OK
Counties Benton County, AR, Carroll County, AR, Madison County, AR, Washington County, AR
The radar
The Western Arkansas radar (KSRX), 105 km from the middle of the area, began a volume at 19:23 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
Topeka, KS (KFOE), launched 12:00Z, 7.4 hours before the alert went out and 349 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
- 1798 m above ground
- 0-6 km bulk shear
- 64 kt
- 0-1 km storm-relative helicity
- 148 m²/s²
- 0-3 km storm-relative helicity
- 272 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 weather advisory went out, as it sent them, from the Iowa Environmental Mesonet's archive of National Weather Service text.
NWS Tulsa, OK wrote its last area forecast discussion before this winter weather advisory went out at Mar 10, 5:47 PM CST, 19 hours 35 minutes earlier.
Area forecast discussion, Mar 10, 5:47 PM CST, 19 hours 35 minutes before
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</html>Hazardous weather outlook, Mar 10, 5:00 PM CST, 20 hours 22 minutes before
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</html>Nearby
Winter Weather Advisories in Arkansas, 2017Every winter weather advisory in 2017
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.