Alert archive / Oklahoma / Flood Watches in 2019

Flood Watch 13, NWS Norman, OK

August 2, 20197 counties in Oklahoma

NWS Norman, OK issued this flood watch at Aug 2, 2019, 1:45 PM CDT for 7 counties in Oklahoma. It took effect at Aug 2, 2019, 10:00 PM CDT. It was in force for 17 hr.

The area

The counties it named.

The facts

Issued: Aug 2, 2019, 1:45 PM CDT (18:45 UTC)
In effect from: Aug 2, 2019, 10:00 PM CDT
Expired: Aug 3, 2019, 3:24 PM CDT
In force: 17 hr
Issued by: NWS Norman, OK
Flood severity: None

Counties Hughes County, OK, Kay County, OK, Lincoln County, OK, Noble County, OK, Payne County, OK, Pottawatomie County, OK, Seminole County, OK

The radar

The Norman radar (KTLX), 62 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, 6.8 hours before the alert went out and 302 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.

Skew-T log-p

Temperature in red, dew point in green, the mixed-layer parcel dashed.

Hodograph

The wind turning with height, colored by layer: ground to 1 km, 1 to 3 km, 3 to 6 km, 6 to 10 km.

Mixed-layer CAPE: 28 J/kg
Mixed-layer CIN: -121 J/kg
Mixed-layer LCL: 849 m above ground
0-6 km bulk shear: 22 kt
0-1 km storm-relative helicity: 43 m²/s²
0-3 km storm-relative helicity: 94 m²/s²
Significant tornado parameter: 0.0
Supercell composite: 0.1

Open this sounding in Storm Lab

What forecasters said that day

The local office's own words before this flood watch went out, as it sent them, from the Iowa Environmental Mesonet's archive of National Weather Service text.

NWS Norman, OK wrote its last area forecast discussion before this flood watch went out at Aug 2, 1:13 PM CDT, 32 minutes earlier.

Area forecast discussion, Aug 2, 1:13 PM CDT, 32 minutes before

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Hazardous weather outlook, Aug 2, 11:54 AM CDT, 1 hour 51 minutes before

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The office that day

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

Issued	Product	Office	Counties	Lasted
Aug 2, 4:43 AM CDT	Special Weather Statement	OUN	Kay	32 min
Aug 2, 5:21 AM CDT	Special Weather Statement	OUN	Kay	24 min
Aug 2, 6:19 AM CDT	Areal Flood Advisory	OUN	Kay	4 hr
Aug 2, 7:08 AM CDT	Areal Flood Advisory	OUN	Kay	3 hr

Nearby

Flood Watches in Oklahoma, 2019 Every flood watch in 2019

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.