Alert archive / Arkansas / Flash Flood Watches in 2017
Flash Flood Watch 2, NWS Little Rock, AR
NWS Little Rock, AR issued this flash flood watch at May 2, 2017, 4:19 AM CDT for 6 counties in Arkansas. It took effect at May 3, 2017, 1:00 AM CDT. It was in force for 25 hr.
The area
The counties it named.
The facts
- Issued
- May 2, 2017, 4:19 AM CDT (09:19 UTC)
- In effect from
- May 3, 2017, 1:00 AM CDT
- Expired
- May 4, 2017, 2:26 AM CDT
- In force
- 25 hr
- Issued by
- NWS Little Rock, AR
- Flood severity
- None
Counties Baxter County, AR, Fulton County, AR, Izard County, AR, Marion County, AR, Sharp County, AR, Stone County, AR
The radar
The Little Rock radar (KLZK), 150 km from the middle of the area, began a volume at 09:24 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 00:00Z, 9.3 hours before the alert went out and 175 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
- 1577 m above ground
- 0-6 km bulk shear
- 58 kt
- 0-1 km storm-relative helicity
- 100 m²/s²
- 0-3 km storm-relative helicity
- 76 m²/s²
- Significant tornado parameter
- 0.0
- Supercell composite
- 0.0
What forecasters said that day
The local office's own words before this flash flood 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 flash flood watch went out at May 2, 4:06 AM CDT, 13 minutes earlier.
Area forecast discussion, May 2, 4:06 AM CDT, 13 minutes before
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</html>Hazardous weather outlook, May 1, 5:00 AM CDT, 23 hours 19 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 |
|---|---|---|---|---|
| May 1, 9:57 PM CDT | River Flood Advisory | LZK | Jefferson, Lincoln | 36 hr |
| May 2, 9:48 AM CDT | River Flood Warning | LZK | Lawrence, Randolph | 4 days |
Nearby
Flash Flood Watches in Arkansas, 2017Every flash flood watch 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.