<xsd:element minOccurs="0" maxOccurs="unbounded" name="convective-hazard">
    <xsd:complexType>
        <xsd:sequence>
            <xsd:element minOccurs="0" maxOccurs="1" name="outlook">
                <xsd:complexType>
                    <xsd:sequence>
                        <xsd:element minOccurs="0" maxOccurs="1" name="name" type="xsd:string" />
                        <xsd:element minOccurs="0" maxOccurs="unbounded" name="value" nillable="true">
                            <xsd:simpleType>
                                <xsd:restriction base="xsd:string">
                                    <xsd:enumeration value="No Thunderstorms" />
                                    <xsd:enumeration value="General Thunderstorms" />
                                    <xsd:enumeration value="Slight Risk of Severe Thunderstorms" />
                                    <xsd:enumeration value="Moderate Risk of Severe Thunderstorms" />
                                    <xsd:enumeration value="High Risk of Severe Thunderstorms" />
                                </xsd:restriction>
                            </xsd:simpleType>
                        </xsd:element>
                    </xsd:sequence>
                    <xsd:attribute name="time-layout" type="time-layoutAttributeType" use="required" />
                    <xsd:attribute name="categorical-table" type="xsd:string" use="optional" />
                    <xsd:attribute name="conversion-table" type="xsd:string" use="optional" />
                </xsd:complexType>
            </xsd:element>
            <xsd:element minOccurs="0" maxOccurs="8" name="severe-component">
                <xsd:complexType>
                    <xsd:sequence>
                        <xsd:element minOccurs="0" maxOccurs="1" name="name" type="xsd:string" />
                        <xsd:element minOccurs="0" maxOccurs="unbounded" name="value" nillable="true">
                            <xsd:complexType>
                                <xsd:simpleContent>
                                    <xsd:extension base="xsd:nonNegativeInteger">
                                        <xsd:attribute name="upper-range" use="optional">
                                            <xsd:simpleType>
                                                <xsd:restriction base="xsd:nonNegativeInteger">
                                                    <xsd:maxInclusive value="100" />
                                                </xsd:restriction>
                                            </xsd:simpleType>
                                        </xsd:attribute>
                                        <xsd:attribute name="lower-range" use="optional">
                                            <xsd:simpleType>
                                                <xsd:restriction base="xsd:nonNegativeInteger">
                                                    <xsd:maxInclusive value="100" />
                                                </xsd:restriction>
                                            </xsd:simpleType>
                                        </xsd:attribute>
                                    </xsd:extension>
                                </xsd:simpleContent>
                            </xsd:complexType>
                        </xsd:element>
                    </xsd:sequence>
                    <xsd:attribute name="type" use="required">
                        <xsd:simpleType>
                            <xsd:restriction base="xsd:string">
                                <xsd:enumeration value="tornadoes" />
                                <xsd:enumeration value="hail" />
                                <xsd:enumeration value="damaging thunderstorm winds" />
                                <xsd:enumeration value="extreme tornadoes" />
                                <xsd:enumeration value="extreme hail" />
                                <xsd:enumeration value="extreme thunderstorm winds" />
                                <xsd:enumeration value="severe thunderstorms" />
                                <xsd:enumeration value="extreme severe thunderstorms" />
                            </xsd:restriction>
                        </xsd:simpleType>
                    </xsd:attribute>
                    <xsd:attribute fixed="percent" name="units" type="xsd:string" />
                    <xsd:attribute name="time-layout" type="time-layoutAttributeType" use="required" />
                    <xsd:attribute name="categorical-table" type="xsd:string" use="optional" />
                    <xsd:attribute name="conversion-table" type="xsd:string" use="optional" />
                </xsd:complexType>
            </xsd:element>
        </xsd:sequence>
    </xsd:complexType>
</xsd:element>