Alert archive / Oklahoma / Areal Flood Advisories in 2021
Areal Flood Advisory 1, NWS Tulsa, OK
NWS Tulsa, OK issued this areal flood advisory at Jan 25, 2021, 2:21 AM CST for Adair County, Cherokee County, Oklahoma; Washington County, Arkansas. It was in force for 5 hr.
The area
The counties it named.
The facts
- Issued
- Jan 25, 2021, 2:21 AM CST (08:21 UTC)
- Expired
- Jan 25, 2021, 7:15 AM CST
- In force
- 5 hr
- Issued by
- NWS Tulsa, OK
- Area
- Storm-based polygon
Counties Washington County, AR, Adair County, OK, Cherokee County, OK
The radar
The Western Arkansas radar (KSRX), 74 km from the middle of the area, began a volume at 08:22 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, 8.4 hours before the alert went out and 131 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
- 3 J/kg
- Mixed-layer CIN
- 0 J/kg
- Mixed-layer LCL
- 446 m above ground
- 0-6 km bulk shear
- 87 kt
- 0-1 km storm-relative helicity
- 159 m²/s²
- 0-3 km storm-relative helicity
- 231 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 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 areal flood advisory went out at Jan 24, 11:17 PM CST, 3 hours 4 minutes earlier.
Area forecast discussion, Jan 24, 11:17 PM CST, 3 hours 4 minutes before
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</html>Hazardous weather outlook, Jan 24, 5:13 PM CST, 9 hours 8 minutes before
Hazardous Weather Outlook National Weather Service Tulsa OK 513 PM CST Sun Jan 24 2021 ARZ001-002-010-011-019-020-029-OKZ049-053>076-251130- Adair OK-Benton AR-Carroll AR-Cherokee OK-Choctaw OK-Craig OK- Crawford AR-Creek OK-Delaware OK-Franklin AR-Haskell OK-Latimer OK- Le Flore OK-Madison AR-Mayes OK-McIntosh OK-Muskogee OK-Nowata OK- Okfuskee OK-Okmulgee OK-Osage OK-Ottawa OK-Pawnee OK-Pittsburg OK- Pushmataha OK-Rogers OK-Sebastian AR-Sequoyah OK-Tulsa OK-Wagoner OK- Washington OK-Washington AR- 513 PM CST Sun Jan 24 2021 ...SEVERE WEATHER POSSIBLE TONIGHT... This Outlook is for Northwest and West Central Arkansas as well as much of Eastern Oklahoma. .DAY ONE...Tonight. TORNADO. RISK...Limited. AREA...South of Interstate 40. ONSET...After midnight. SEVERE THUNDERSTORM. RISK...Elevated. AREA...Eastern Oklahoma and Northwest Arkansas. ONSET...After 9 PM. FLASH FLOOD. RISK...Limited. AREA...Northeast Oklahoma and far northwest Arkansas. ONSET...After midnight. DISCUSSION... Showers and scattered storms will spread into eastern Oklahoma and northwest Arkansas during the evening hours. These storms will initially pose a limited risk of severe weather with large hail the primary risk. Storm coverage will increase after midnight and become widespread north of Interstate 40 where areas of locally heavy rainfall are forecast. This heavy rain will increase the potential for localized flooding. The severe weather risk will also increase after midnight as stronger storms spread into the region. A localized strong wind hazard may spread along the Interstate 44 corridor however the primary concern will remain large hail. Further south mainly across southeast Oklahoma the potential for large hail, localized strong winds and tornado potential will exist. The risk of severe weather will continue into the early morning hours on Monday before a passing cold front ends the severe weather potential. SPOTTER AND EMERGENCY MANAGEMENT ACTION STATEMENT... Activation of the Regional Spotter Network Possible. .DAYS TWO THROUGH SEVEN...Monday through Saturday. MONDAY...Thunderstorm Potential...High Wind Potential. TUESDAY and WEDNESDAY...Winter Weather Potential. THURSDAY...No Hazards. FRIDAY and SATURDAY...High Wind Potential. EXTENDED DISCUSSION... Storms will be ongoing early Monday morning with a continued risk of severe weather across far southeast Oklahoma and west central Arkansas. The next storm system will bring a chance of light freezing rain or snow to the region Tuesday night and early Wednesday with light accumulations possible. Breezy winds develop by late week ahead of the next storm system. weather.gov/tulsa contains additional information.
The office that day
Everything else NWS Tulsa, OK issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Jan 25, 3:53 AM CST | Special Weather Statement | TSA | McIntosh, Pittsburg | 37 min |
| Jan 25, 4:31 AM CST | Special Weather Statement | TSA | Haskell | 44 min |
| Jan 25, 4:41 AM CST | Areal Flood Advisory | TSA | Cherokee, McIntosh, Muskogee, Sequoyah, Wagoner | 3 hr |
| Jan 25, 5:14 AM CST | Special Weather Statement | TSA | Adair, Sequoyah | 46 min |
| Jan 25, 5:19 AM CST | Areal Flood Advisory | TSA | Delaware | 3 hr |
| Jan 25, 5:29 AM CST | Special Weather Statement | TSA | Haskell, Latimer, Pittsburg | 46 min |
| Jan 25, 5:39 AM CST | Special Weather Statement | TSA | Choctaw | 36 min |
| Jan 25, 6:06 AM CST | Special Weather Statement | TSA | Latimer, LeFlore, Sequoyah | 39 min |
| Jan 25, 6:21 AM CST | Special Weather Statement | TSA | Choctaw | 54 min |
| Jan 25, 11:12 AM CST | River Flood Advisory | TSA | Cherokee, Delaware | 19 hr |
| Jan 25, 11:12 AM CST | River Flood Advisory | TSA | Adair, Cherokee, Delaware | 21 hr |
| Jan 25, 11:12 AM CST | River Flood Advisory | TSA | Cherokee | 41 hr |
| Jan 25, 6:39 AM CST | Special Weather Statement | TSA | Crawford, Franklin, Sebastian | 51 min |
| Jan 25, 7:28 AM CST | Special Weather Statement | TSA | Crawford | 32 min |
| Jan 25, 8:49 AM CST | Special Weather Statement | TSA | Madison | 41 min |
Nearby
Areal Flood Advisories in Oklahoma, 2021Areal Flood Advisories in Arkansas, 2021Every areal flood advisory in 2021
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.