Alert archive / Arkansas / Areal Flood Warnings in 2018
Areal Flood Warning 7, NWS Tulsa, OK
NWS Tulsa, OK issued this areal flood warning at Mar 27, 2018, 1:40 PM CDT for 6 counties in Arkansas. It was in force for 24 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
- Mar 27, 2018, 1:40 PM CDT (18:40 UTC)
- Expired
- Mar 28, 2018, 1:30 PM CDT
- In force
- 24 hr
- Issued by
- NWS Tulsa, OK
- Area
- Storm-based polygon
- Flood severity
- None
Counties Benton County, AR, Carroll County, AR, Crawford County, AR, Franklin County, AR, Madison County, AR, Washington County, AR
The radar
The Western Arkansas radar (KSRX), 82 km from the middle of the area, began a volume at 18:44 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, 6.7 hours before the alert went out and 106 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
- 617 m above ground
- 0-6 km bulk shear
- 37 kt
- 0-1 km storm-relative helicity
- -16 m²/s²
- 0-3 km storm-relative helicity
- -58 m²/s²
- Significant tornado parameter
- 0.0
- Supercell composite
- 0.0
What forecasters said that day
The local office's own words before this areal flood warning 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 areal flood warning went out at Mar 27, 1:00 PM CDT, 40 minutes earlier.
Area forecast discussion, Mar 27, 1:00 PM CDT, 40 minutes before
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Special weather statement, Mar 27, 9:22 AM CDT, 4 hours 18 minutes before
Special Weather Statement National Weather Service Tulsa OK 922 AM CDT TUE MAR 27 2018 ARZ019-029-OKZ072-076-271445- Sebastian AR-Crawford AR-Sequoyah OK-Le Flore OK- 922 AM CDT TUE MAR 27 2018 ...SIGNIFICANT WEATHER ADVISORY FOR WESTERN CRAWFORD...NORTHWESTERN SEBASTIAN...SOUTHEASTERN SEQUOYAH AND NORTHEASTERN LE FLORE COUNTIES UNTIL 945 AM CDT... At 922 AM CDT, strong thunderstorms were located along a line extending from 2 miles northeast of Muldrow to 4 miles northwest of Poteau. Movement was northeast at 35 mph. Winds in excess of 40 mph will be possible with these storms. Locations in or near the path include... Fort Smith... Van Buren... Poteau... Cedarville... Mountainburg... Greenwood... Alma... Barling... Pocola... Muldrow... Roland... Spiro... Arkoma... Panama... Dyer... Hackett... Bonanza... Midland... Cameron... Moffett... This includes the following highways, Interstate 40 in Arkansas between mile markers 0 and 16. Interstate 40 in Oklahoma between mile markers 317 and 328. Interstate 540 between mile markers 1 and 14. Interstate 49 between mile markers 22 and 32. PRECAUTIONARY/PREPAREDNESS ACTIONS... Torrential rainfall is also occurring with these storms, and may lead to localized flooding. Do not drive your vehicle through flooded roadways. && LAT...LON 3568 9409 3509 9428 3498 9477 3552 9460 TIME...MOT...LOC 1422Z 247DEG 30KT 3544 9457 3508 9469 Lacy
Local storm report, Mar 27, 10:58 AM CDT, 2 hours 42 minutes before
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Everything else NWS Tulsa, OK issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Mar 26, 9:21 PM CDT | Special Weather Statement | TSA | Pittsburg | 39 min |
| Mar 26, 10:49 PM CDT | Special Weather Statement | TSA | Tulsa | 26 min |
| Mar 26, 11:16 PM CDT | Special Weather Statement | TSA | Mayes | 29 min |
| Mar 27, 7:23 AM CDT | Areal Flood Advisory | TSA | Cherokee, Delaware, Mayes, Rogers, Wagoner | 3 hr |
| Mar 27, 7:31 AM CDT | Areal Flood Advisory | TSA | Haskell, Latimer, LeFlore, Muskogee, Pittsburg, Sequoyah | 7 hr |
| Mar 27, 7:56 AM CDT | River Flood Warning | TSA | Creek | 24 hr |
| Mar 27, 8:53 AM CDT | Areal Flood Advisory | TSA | Adair, Cherokee, Sequoyah | 8 hr |
| Mar 27, 9:30 AM CDT | Areal Flood Advisory | TSA | LeFlore, Sequoyah | 8 hr |
| Mar 27, 10:14 AM CDT | Areal Flood Advisory | TSA | Delaware | 7 hr |
| Mar 27, 10:17 AM CDT | Areal Flood Advisory | TSA | Cherokee, Delaware, Mayes, Rogers, Wagoner | 7 hr |
| Mar 27, 12:34 PM CDT | River Flood Advisory | TSA | Cherokee, Delaware | 20 hr |
| Mar 27, 2:43 PM CDT | River Flood Warning | TSA | Adair, Cherokee, Delaware | 41 hr |
| Mar 27, 2:56 PM CDT | River Flood Advisory | TSA | Sequoyah | 19 hr |
| Mar 27, 9:22 AM CDT | Special Weather Statement | TSA | Crawford, Sebastian | 23 min |
| Mar 27, 9:40 AM CDT | Severe Thunderstorm Warning | TSA | Sebastian | 35 min |
| Mar 27, 9:45 AM CDT | Tornado Warning | TSA | Crawford, Sebastian | 14 min |
| Mar 27, 10:04 AM CDT | Severe Thunderstorm Warning | TSA | Crawford, Franklin, Sebastian | 26 min |
| Mar 27, 10:26 AM CDT | Severe Thunderstorm Warning | TSA | Franklin | 34 min |
Nearby
Areal Flood Warnings in Arkansas, 2018Every areal flood warning in 2018
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.