McIDAS-X Learning Guide
Version 2020

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Real-time Data Access - Watches and Warnings

In this exercise, you will list and display severe thunderstorm, tornado and winter storm watches and warnings, as well as blizzard warnings, snow advisories, and flood watches and warnings.
  1. Display a map of the United States with all of todays watches, warnings and advisories plotted.
    Type:  WWDISP USA TIME=0 23:59
    Sample output from WWDISP

  2. Find a state that has a box plotted and list the reports for that state (in this case, Mississippi).
    Type:  WWLIST MS TIME=0 23:59
    Replace MS with whatever state you would like listed. The list should look something like the following:
     WWLIST MS TIME=0 23:59                            
     Severe Thunderstorm Warning valid until 15 May 2015  1915UTC
     for the following counties
     MS:SIMPSON
     
     Severe Thunderstorm Warning valid until 15 May 2015  2015UTC
     for the following counties
     MS:HINDS                    MS:RANKIN                                                 
     WWLIST: done                
    
  3. Output the actual reports for the state.
    Type:  WWLIST MS TIME=0 23:59 OUT=RAW
    This will output the actual textual report that was issued by the National Weather Service. The output may look like the following:
     WWLIST MS TIME=0 23:59 OUT=RAW   
     WUUS54 KJAN 151828                                              2015135 1829
     SVRJAN
     MSC127-151915-
     /O.NEW.KJAN.SV.W.0106.150515T1828Z-150515T1915Z/
     BULLETIN - IMMEDIATE BROADCAST REQUESTED
     SEVERE THUNDERSTORM WARNING
     NATIONAL WEATHER SERVICE JACKSON MS
     128 PM CDT FRI MAY 15 2015
     THE NATIONAL WEATHER SERVICE IN JACKSON HAS ISSUED A
     * SEVERE THUNDERSTORM WARNING FOR...
       EASTERN SIMPSON COUNTY IN CENTRAL MISSISSIPPI...
     * UNTIL 215 PM CDT
     * AT 128 PM CDT...A SEVERE THUNDERSTORM WAS LOCATED OVER
       SANATORIUM...OR NEAR MAGEE...MOVING NORTH AT 30 MPH.
       HAZARD...60 MPH WIND GUSTS AND QUARTER SIZE HAIL.
       SOURCE...RADAR INDICATED.
       IMPACT...HAIL DAMAGE TO VEHICLES IS EXPECTED. EXPECT WIND DAMAGE
                TO ROOFS...SIDING AND TREES.
     * THIS SEVERE THUNDERSTORM WILL BE NEAR...
       MENDENHALL AND MARTINVILLE AROUND 145 PM CDT.
     OTHER LOCATIONS IMPACTED BY THIS SEVERE THUNDERSTORM INCLUDE BRAXTON
     AND D'LO.
     PRECAUTIONARY/PREPAREDNESS ACTIONS...
     FOR YOUR PROTECTION MOVE TO AN INTERIOR ROOM ON THE LOWEST FLOOR OF A
     BUILDING.
     &&
     LAT...LON 3205 8998 3205 8966 3178 8967 3176 8994
     TIME...MOT...LOC 1828Z 174DEG 25KT 3186 8979
     HAIL...1.00IN
     WIND...60MPH 
     
     $$ 
     
     WUUS54 KJAN 151928                                              2015135 1928
     SVRJAN
     MSC049-121-152015-
     /O.NEW.KJAN.SV.W.0107.150515T1928Z-150515T2015Z/
     BULLETIN - IMMEDIATE BROADCAST REQUESTED
     SEVERE THUNDERSTORM WARNING
     NATIONAL WEATHER SERVICE JACKSON MS
     228 PM CDT FRI MAY 15 2015
     THE NATIONAL WEATHER SERVICE IN JACKSON HAS ISSUED A
     * SEVERE THUNDERSTORM WARNING FOR...
       SOUTHWESTERN RANKIN COUNTY IN CENTRAL MISSISSIPPI...
       SOUTHEASTERN HINDS COUNTY IN CENTRAL MISSISSIPPI...
     * UNTIL 315 PM CDT
     * AT 227 PM CDT...A SEVERE THUNDERSTORM WAS LOCATED NEAR WHITES...OR
       NEAR BYRAM...MOVING NORTH AT 10 MPH.
       HAZARD...60 MPH WIND GUSTS AND QUARTER SIZE HAIL.
       SOURCE...RADAR INDICATED.
       IMPACT...HAIL DAMAGE TO VEHICLES IS EXPECTED. EXPECT WIND DAMAGE
                TO ROOFS...SIDING AND TREES.
     * THIS SEVERE THUNDERSTORM WILL BE NEAR...
       BYRAM AROUND 250 PM CDT.
       RICHLAND AROUND 300 PM CDT.
       JACKSON AROUND 315 PM CDT.
     PRECAUTIONARY/PREPAREDNESS ACTIONS...
     FOR YOUR PROTECTION MOVE TO AN INTERIOR ROOM ON THE LOWEST FLOOR OF A
     BUILDING.
     &&
     LAT...LON 3206 9003 3205 9029 3226 9039 3232 9009
     TIME...MOT...LOC 1927Z 163DEG 10KT 3213 9021
     HAIL...1.00IN
     WIND...60MPH
     WWLIST: done                                                                      

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