Alert archive / California / Special Weather Statements in 2016

Special Weather Statement, NWS Hanford, CA

April 27, 2016Merced County, California

NWS Hanford, CA issued this special weather statement at Apr 27, 2016, 1:00 PM PDT for Merced County, California. It was in force for 45 min. No storm report in the archive falls inside the area while it was in force.

The area

The outline as issued.

The facts

Issued: Apr 27, 2016, 1:00 PM PDT (20:00 UTC)
Expired: Apr 27, 2016, 1:45 PM PDT
In force: 45 min
Issued by: NWS Hanford, CA

County Merced County, CA

The radar

The San Francisco radar (KMUX), 91 km from the middle of the area, began a volume at 20:00 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

Oakland, CA (KOAK), launched 12:00Z, 8.0 hours before the alert went out and 132 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: 0 J/kg
Mixed-layer CIN: No buoyant parcel
Mixed-layer LCL: 1276 m above ground
0-6 km bulk shear: 28 kt
0-1 km storm-relative helicity: 60 m²/s²
0-3 km storm-relative helicity: 62 m²/s²
Significant tornado parameter: 0.0
Supercell composite: 0.0

Open this sounding in Storm Lab

The text

As transmitted.

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What forecasters said that day

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

NWS Hanford, CA wrote its last area forecast discussion before this special weather statement went out at Apr 27, 5:13 AM PDT, 7 hours 47 minutes earlier.

Area forecast discussion, Apr 27, 5:13 AM PDT, 7 hours 47 minutes before

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  <meta charset="utf-8">
  <meta name="viewport" content="width=device-width, initial-scale=1">
  <title>Service Notice</title>
  <link rel="stylesheet" href="index.css">
</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.
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      <p id="message2">
        Please try again in a few minutes.
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In the hours before

Special weather statement, Apr 27, 1:00 PM PDT, 0 minutes before

SPECIAL WEATHER STATEMENT
NATIONAL WEATHER SERVICE SAN JOAQUIN VALLEY CA
100 PM PDT WED APR 27 2016

CAZ089-090-272045-
WEST-CENTRAL SAN JOAQUIN VALLEY CA-EAST-
CENTRAL SAN JOAQUIN VALLEY CA-
100 PM PDT WED APR 27 2016

THE NATIONAL WEATHER SERVICE IN HANFORD CA HAS ISSUED A

SIGNIFICANT WEATHER ADVISORY FOR...
CENTRAL MERCED COUNTY

UNTIL 145 PM PDT...

AT 100 PM PDT...DOPPLER RADAR WAS TRACKING A STRONG THUNDERSTORM 11
MILES NORTHWEST OF LOS BANOS...OR 21 MILES SOUTHWEST OF ATWATER...
MOVING EAST AT 25 MPH.

WINDS IN EXCESS OF 30 MPH WILL BE POSSIBLE WITH THIS STORM.

LOCATIONS IMPACTED INCLUDE...
GUSTINE AND SAN LUIS NATIONAL WILDLIFE REFUGE.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

TORRENTIAL RAINFALL IS ALSO OCCURRING WITH THIS STORM...AND MAY LEAD
TO FLASH FLOODING. DO NOT DRIVE YOUR VEHICLE THROUGH FLOODED
ROADWAYS.

FREQUENT CLOUD TO GROUND LIGHTNING IS OCCURRING WITH THIS STORM.
LIGHTNING CAN STRIKE 15 MILES AWAY FROM A THUNDERSTORM. SEEK A SAFE
SHELTER INSIDE A BUILDING OR VEHICLE.

&&

LAT...LON 3714 12104 3725 12106 3734 12063 3709 12059
TIME...MOT...LOC 2000Z 269DEG 23KT 3720 12094

SROWE

The office that day

Everything else NWS Hanford, CA issued on the same UTC day.

Issued	Product	Office	Counties	Lasted
Apr 27, 3:33 AM PDT	Wind Advisory	HNX		18 hr
Apr 27, 1:22 PM PDT	Special Weather Statement	HNX	Merced	38 min
Apr 27, 2:06 PM PDT	Special Weather Statement	HNX	Fresno	39 min
Apr 27, 2:45 PM PDT	Special Weather Statement	HNX	Kings	45 min
Apr 27, 3:04 PM PDT	Severe Thunderstorm Warning	HNX	Fresno	26 min
Apr 27, 3:29 PM PDT	Special Weather Statement	HNX	Kings	46 min
Apr 27, 3:32 PM PDT	Special Weather Statement	HNX		43 min
Apr 27, 3:37 PM PDT	Special Weather Statement	HNX		38 min
Apr 27, 3:43 PM PDT	Severe Thunderstorm Warning	HNX	Kern, Kings	47 min
Apr 27, 3:55 PM PDT	Special Weather Statement	HNX	Kings	50 min
Apr 27, 4:08 PM PDT	Special Weather Statement	HNX	Kings	37 min
Apr 27, 4:20 PM PDT	Severe Thunderstorm Warning	HNX	Kern	27 min
Apr 27, 4:27 PM PDT	Special Weather Statement	HNX	Fresno	48 min
Apr 27, 4:32 PM PDT	Special Weather Statement	HNX	Merced	43 min
Apr 27, 4:40 PM PDT	Special Weather Statement	HNX	Tulare	50 min
Apr 27, 4:45 PM PDT	Special Weather Statement	HNX	Kern	45 min

Nearby

Special Weather Statements in California, 2016 Every special weather statement in 2016

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.