Alert archive / Arkansas / Flash Flood Warnings in 2009
Flash Flood Warning 42, NWS Little Rock, AR
NWS Little Rock, AR issued this flash flood warning at May 14, 2009, 5:53 AM CDT for Montgomery County, Pike County, Polk County, Arkansas. It was in force for 3 hr. No storm report in the archive falls inside the area while it was in force.
The area
The counties it named.
The facts
- Issued
- May 14, 2009, 5:53 AM CDT (10:53 UTC)
- Expired
- May 14, 2009, 8:45 AM CDT
- In force
- 3 hr
- Issued by
- NWS Little Rock, AR
- Area
- Storm-based polygon
- Flood severity
- None
Counties Montgomery County, AR, Pike County, AR, Polk County, AR
The radar
The Western Arkansas radar (KSRX), 110 km from the middle of the area, began a volume at 10:53 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
Shreveport, LA (KSHV), launched 00:00Z, 10.9 hours before the alert went out and 213 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
- 1900 J/kg
- Mixed-layer CIN
- -7 J/kg
- Mixed-layer LCL
- 1477 m above ground
- 0-6 km bulk shear
- 28 kt
- 0-1 km storm-relative helicity
- 50 m²/s²
- 0-3 km storm-relative helicity
- 146 m²/s²
- Significant tornado parameter
- 0.5
- Supercell composite
- 6.4
The office that day
Everything else NWS Little Rock, AR issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| May 13, 11:12 PM CDT | Severe Thunderstorm Warning | LZK | Fulton, Sharp | 18 min |
| May 14, 12:21 AM CDT | Severe Thunderstorm Warning | LZK | Boone, Marion, Newton, Searcy | 39 min |
| May 14, 12:32 AM CDT | Severe Thunderstorm Warning | LZK | Johnson, Logan, Pope, Yell | 58 min |
| May 14, 12:42 AM CDT | Severe Thunderstorm Warning | LZK | Baxter, Fulton, Izard, Searcy, Stone | 48 min |
| May 14, 1:01 AM CDT | Severe Thunderstorm Warning | LZK | Boone, Marion, Newton, Searcy | 44 min |
| May 14, 1:14 AM CDT | Severe Thunderstorm Warning | LZK | Logan, Scott, Yell | 46 min |
| May 14, 1:28 AM CDT | Severe Thunderstorm Warning | LZK | Conway, Faulkner, Garland, Johnson, Logan, Perry and 3 more | 62 min |
| May 14, 1:29 AM CDT | Severe Thunderstorm Warning | LZK | Baxter, Fulton, Independence, Izard, Searcy, Sharp and 1 more | 46 min |
| May 14, 1:38 AM CDT | Severe Thunderstorm Warning | LZK | Conway, Johnson, Newton, Pope, Searcy, Van Buren | 52 min |
| May 14, 1:43 AM CDT | Tornado Warning | LZK | Conway, Pope | 47 min |
| May 14, 2:10 AM CDT | Severe Thunderstorm Warning | LZK | Cleburne, Conway, Faulkner, Stone, Van Buren | 65 min |
| May 14, 2:34 AM CDT | Severe Thunderstorm Warning | LZK | Independence, Jackson, Sharp | 41 min |
| May 14, 2:38 AM CDT | Severe Thunderstorm Warning | LZK | Clark, Garland, Hot Spring, Montgomery, Pike | 52 min |
| May 14, 2:47 AM CDT | Severe Thunderstorm Warning | LZK | Conway, Faulkner, Lonoke, Pulaski, White | 43 min |
| May 14, 2:57 AM CDT | Severe Thunderstorm Warning | LZK | Cleburne, Jackson, Prairie, White, Woodruff | 63 min |
| May 14, 4:15 AM CDT | Severe Thunderstorm Warning | LZK | Arkansas, Monroe, Prairie | 44 min |
Nearby
Flash Flood Warnings in Arkansas, 2009Every flash flood warning in 2009
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.