Alert archive / Oklahoma / River Flood Advisories in 2020

River Flood Advisory 25, NWS Tulsa, OK

April 12, 2020Cherokee County, Oklahoma

NWS Tulsa, OK issued this river flood advisory at Apr 12, 2020, 8:09 AM CDT for Cherokee County, Oklahoma. It was in force for 49 hr.

The area

The counties it named.

The facts

Issued: Apr 12, 2020, 8:09 AM CDT (13:09 UTC)
Expired: Apr 14, 2020, 8:42 AM CDT
In force: 49 hr
Issued by: NWS Tulsa, OK
Area: Storm-based polygon

County Cherokee County, OK

The radar

The Tulsa radar (KINX), 59 km from the middle of the area, began a volume at 13:09 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 river

Written for the forecast point Illinois River (AR OK) near Tahlequah (TALO2). The gauge peaked at 9.06 ft at Apr 14, 2020, 1:00 AM CDT.

Action stage: 9 ft
Minor stage: 11 ft
Moderate stage: 14 ft
Major stage: 18 ft

This gauge today: stage, forecast and historic crests

Stage from the USGS instantaneous record for site 07196500, one reading an hour, from a day before the product to a day after it ended. Flood stages are today's.

What forecasters said that day

The local office's own words before this river 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 river flood advisory went out at Apr 12, 6:45 AM CDT, 1 hour 24 minutes earlier.

Area forecast discussion, Apr 12, 6:45 AM CDT, 1 hour 24 minutes before

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Hazardous weather outlook, Apr 12, 5:34 AM CDT, 2 hours 35 minutes before

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</head>
<body>
  <main class="wrap">
    <section class="card" role="status" aria-live="polite">
      <div class="status" id="status">Temporary Notice</div>
      <h1 id="headline">This service is currently unavailable.</h1>
      <p id="message1">
        The site you requested is temporarily down for maintenance or an unexpected outage.
      </p>
      <p id="message2">
        Please try again in a few minutes.
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      <p class="small" id="detail">
        If you are an administrator, restore upstream service and remove the redirect/fallback rule when normal operations resume.
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In the hours before

Local storm report, Apr 12, 7:23 AM CDT, 46 minutes before

PRELIMINARY LOCAL STORM REPORT
NATIONAL WEATHER SERVICE TULSA OK
723 AM CDT SUN APR 12 2020

..TIME...   ...EVENT...      ...CITY LOCATION...     ...LAT.LON...
..DATE...   ....MAG....      ..COUNTY LOCATION..ST.. ...SOURCE....
            ..REMARKS..

1210 AM     HAIL             7 W JAY                 36.42N 94.92W
04/12/2020  E0.88 INCH       DELAWARE           OK   PUBLIC

            SOCIAL MEDIA REPORT OF NICKEL SIZED HAIL ON HIGHWAY 20
            WEST OF JAY. RELAYED BY LAW ENFORCEMENT VIA NWSCHAT.

&&

KAH

Special weather statement, Apr 12, 8:01 AM CDT, 8 minutes before

Special Weather Statement
National Weather Service Tulsa OK
801 AM CDT Sun Apr 12 2020

OKZ064-065-121345-
Okfuskee OK-Creek OK-
801 AM CDT Sun Apr 12 2020

...SIGNIFICANT WEATHER ADVISORY FOR CREEK AND NORTHWESTERN OKFUSKEE
COUNTIES UNTIL 845 AM CDT...

At 800 AM CDT, strong thunderstorms were located along a line
extending from 3 miles south of Shamrock to 6 miles north of Paden.
Movement was northeast at 35 mph.

Penny size hail will be possible with these storms.

Locations in or near the path include...
Bristow...                        Depew...
Slick...                          Shamrock...
Welty...                          Milfay...

This includes Interstate 44 between mile markers 178 and 204.

LAT...LON 3595 9662 3608 9629 3608 9623 3565 9619
      3558 9662
TIME...MOT...LOC 1300Z 230DEG 29KT 3586 9658 3559 9654

The office that day

Everything else NWS Tulsa, OK issued on the same UTC day.

Issued	Product	Office	Counties	Lasted
Apr 11, 10:39 PM CDT	Special Weather Statement	TSA	Tulsa	51 min
Apr 11, 11:16 PM CDT	Special Weather Statement	TSA	Okfuskee	29 min
Apr 11, 11:36 PM CDT	Special Weather Statement	TSA	Okfuskee	39 min
Apr 11, 11:39 PM CDT	Special Weather Statement	TSA	Rogers	36 min
Apr 11, 11:58 PM CDT	Areal Flood Advisory	TSA	Tulsa	2 hr
Apr 12, 3:34 AM CDT	Wind Advisory	TSA	Adair, Cherokee, Craig, Creek, Delaware, Haskell and 13 more	19 hr
Apr 12, 8:01 AM CDT	Special Weather Statement	TSA	Creek	44 min
Apr 12, 8:07 AM CDT	River Flood Warning	TSA	LeFlore	49 hr
Apr 12, 9:57 AM CDT	Special Weather Statement	TSA	Nowata	33 min
Apr 12, 1:19 PM CDT	Freeze Warning	TSA	Adair, Cherokee, Craig, Creek, Delaware, Mayes and 10 more	20 hr
Apr 12, 2:09 PM CDT	Special Weather Statement	TSA	Okmulgee	36 min
Apr 12, 2:52 PM CDT	Special Weather Statement	TSA	McIntosh	23 min
Apr 12, 3:19 PM CDT	Special Weather Statement	TSA	Rogers	26 min
Apr 12, 3:33 PM CDT	Special Weather Statement	TSA	Muskogee	27 min
Apr 12, 3:48 PM CDT	Severe Thunderstorm Warning	TSA	Adair, Cherokee, Haskell, Muskogee, Sequoyah	42 min
Apr 12, 3:56 PM CDT	Special Weather Statement	TSA	Haskell	34 min
Apr 12, 4:08 PM CDT	Special Weather Statement	TSA	Choctaw	67 min
Apr 12, 4:25 PM CDT	Special Weather Statement	TSA	Haskell, Latimer	65 min
Apr 12, 4:36 PM CDT	Special Weather Statement	TSA	Adair	24 min
Apr 12, 4:48 PM CDT	Severe Thunderstorm Warning	TSA	Latimer, Pittsburg	11 min
Apr 12, 4:53 PM CDT	Areal Flood Advisory	TSA	Haskell, Latimer, LeFlore, Sequoyah	3 hr
Apr 12, 5:00 PM CDT	Special Weather Statement	TSA	LeFlore	30 min
Apr 12, 5:31 PM CDT	Special Weather Statement	TSA	LeFlore	29 min
Apr 12, 6:00 PM CDT	Special Weather Statement	TSA	Latimer	30 min
Apr 12, 4:58 PM CDT	Special Weather Statement	TSA	Crawford, Washington	32 min
Apr 12, 5:18 PM CDT	Special Weather Statement	TSA	Crawford, Franklin, Sebastian, Washington	42 min
Apr 12, 5:44 PM CDT	Severe Thunderstorm Warning	TSA	Crawford, Franklin, Sebastian	46 min
Apr 12, 6:18 PM CDT	Special Weather Statement	TSA	Carroll	27 min
Apr 12, 6:54 PM CDT	Areal Flood Advisory	TSA	Carroll	2 hr

Nearby

River Flood Advisories in Oklahoma, 2020 Every river flood advisory in 2020

Sources

The product and its follow-ups from the Iowa Environmental Mesonet's archive of National Weather Service and Storm Prediction Center text; radar from the NEXRAD Level II archive; the gauge from the NWS water service and the USGS.