Alert archive / Oklahoma / Severe Thunderstorm Warnings in 2004
Severe Thunderstorm Warning 356, NWS Norman, OK
NWS Norman, OK issued this severe thunderstorm warning at May 30, 2004, 12:06 PM CDT for Hughes County, Oklahoma. It was in force for 29 min. 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 30, 2004, 12:06 PM CDT (17:06 UTC)
- Expired
- May 30, 2004, 12:35 PM CDT
- In force
- 29 min
- Issued by
- NWS Norman, OK
- Area
- Counties, with a storm outline in the text
County Hughes County, OK
The radar
The Norman radar (KTLX), 99 km from the middle of the area, began a volume at 17:08 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
Norman, OK (KOUN), launched 12:00Z, 5.1 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
- 2394 J/kg
- Mixed-layer CIN
- -74 J/kg
- Mixed-layer LCL
- 708 m above ground
- 0-6 km bulk shear
- 56 kt
- 0-1 km storm-relative helicity
- 251 m²/s²
- 0-3 km storm-relative helicity
- 218 m²/s²
- Significant tornado parameter
- 3.3
- Supercell composite
- 12.3
What forecasters said that day
The local office's own words before this severe thunderstorm warning 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 severe thunderstorm warning went out at May 30, 11:10 AM CDT, 56 minutes earlier.
Area forecast discussion, May 30, 11:10 AM CDT, 56 minutes before
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Special weather statement, May 30, 12:02 PM CDT, 4 minutes before
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</html>The office that day
Everything else NWS Norman, OK issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| May 29, 7:15 PM CDT | Tornado Warning | OUN | Blaine, Canadian | 30 min |
| May 29, 7:19 PM CDT | Severe Thunderstorm Warning | OUN | Kingfisher | 41 min |
| May 29, 7:44 PM CDT | Tornado Warning | OUN | Canadian | 31 min |
| May 29, 7:56 PM CDT | Severe Thunderstorm Warning | OUN | Kingfisher, Logan | 49 min |
| May 29, 8:12 PM CDT | Severe Thunderstorm Warning | OUN | Oklahoma | 33 min |
| May 29, 8:16 PM CDT | Tornado Warning | OUN | Canadian | 44 min |
| May 29, 8:42 PM CDT | Severe Thunderstorm Warning | OUN | Kingfisher, Logan, Oklahoma | 48 min |
| May 29, 8:51 PM CDT | Tornado Warning | OUN | Oklahoma | 24 min |
| May 29, 8:58 PM CDT | Tornado Warning | OUN | Canadian | 17 min |
| May 29, 9:13 PM CDT | Tornado Warning | OUN | Logan, Oklahoma | 47 min |
| May 29, 9:39 PM CDT | Severe Thunderstorm Warning | OUN | Grant | 51 min |
| May 29, 9:57 PM CDT | Tornado Warning | OUN | Lincoln, Logan | 48 min |
| May 29, 10:00 PM CDT | Severe Thunderstorm Warning | OUN | Oklahoma | 30 min |
| May 29, 10:42 PM CDT | Tornado Warning | OUN | Lincoln | 48 min |
| May 29, 10:46 PM CDT | Severe Thunderstorm Warning | OUN | Payne | 44 min |
| May 30, 2:29 PM CDT | Severe Thunderstorm Warning | OUN | Atoka, Bryan | 46 min |
Nearby
Severe Thunderstorm Warnings in Oklahoma, 2004Every severe thunderstorm warning in 2004
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.